Mexico • 25 centavos

Mexican Historical .903 Silver 25 Centavos

A matching historical Mexican 25 centavo coin contains 0.1965 reference fine silver troy ounce using the designated reference melt table. The confirmed included annual years are 1869–1890 and 1892. The genuine paired photograph shows an 1889 specimen of the type described below. Match denomination, actual date, design, mint and nominal 6.768 g mass before selecting this standard.

1889 Mexican Historical .903 Silver 25 Centavos obverse: Republican eagle and 1889
Obverse — Genuine 1889 representative; type-specific dates, designs, alloys and finishes still require attribution.
Unknown photographer; Inri releasing account / Wikimedia Commons / CC0 1.0; Split joined source retaining complete rim; WebP conversion only; no enlargement, retouching or synthetic reconstruction · Image source · CC0 1.0
1889 Mexican Historical .903 Silver 25 Centavos reverse: Liberty cap, scales, 25 CENTAVOS and Zs
Reverse — Genuine 1889 representative; type-specific dates, designs, alloys and finishes still require attribution.
Unknown photographer; Inri releasing account / Wikimedia Commons / CC0 1.0; Split joined source retaining complete rim; WebP conversion only; no enlargement, retouching or synthetic reconstruction · Image source · CC0 1.0

When a fresh spot bid is available, melt values use fine-metal content × spot bid. CashForCoins guide buying offers use the separately configured percentage for each metal. Selected rare/numismatic coins require an appraisal. Dollar amounts remain unavailable when a fresh quote or buying percentage is missing.

Verified coin specifications

Country
Mexico
Face denomination
25 centavos
Composition
Designated .903 silver reference; dated precision differences disclosed
Gross weight (grams)
6.768
Fineness
0.903
Fine-metal weight (troy oz)
0.1965
Mint
Historical Mexican mints; consult the dated type table
Restrikes
Patterns, regional issues, tokens, counterfeits and later replicas excluded
Issue years
1869–1890 and 1892

Exact reviewed annual issue dates for this assigned metal/weight scope. Mint, design, overdate and finish combinations remain type-specific; broader headings do not fill absent annual rows. Source precision exceptions and separate alloy standards are explained in the guide.

Source precision
The designated reference World Silver melt reference supplies 6.768 g/.903/.1965 fine silver troy ounce. Dated mint types retain 6.7680 g. Most show .9030/.1965, while Mexico City KM 406.7 gives .9027/.1964. The exact dated difference is disclosed; it is not converted into an invented physical alloy change. The inspected reference tables do not provide a family diameter or thickness, so these fields remain unspecified. The preserved slug is not changed simply because a dated Culiacán row extends visible coverage to 1892.

Calculate this coin’s metal content

One coin contains 0.1965 troy oz of fine silver.

Formula: specified fine-metal troy ounces × quantity. Dollar melt value additionally requires an approved current metal price.

Obverse: identify the front

The pictured 1889 Zacatecas photograph shows the Republican eagle and snake, with REPUBLICA MEXICANA. The eagle is shared with other denominations and does not establish the twenty-five-centavo standard alone. Match the full reverse, date and Zs mark with the documented KM 406.9 type.

Reverse: identify the back

The documented Republican reverse has a radiant Liberty cap above scales. Read the complete denomination, date, mint mark and assayer letters rather than relying on the cap symbol alone. The pictured 1889 pair represents a Zacatecas example, not every ten mint-specific types or an unseen overdate.

History and purpose

The historical Republican twenty-five-centavo family used several mint-specific die styles and annual runs. The later 1950–1953 scales-design twenty-five-centavo coin belongs to a different .300 silver standard with only .0321 fine silver troy ounce. A common denomination or similar scales motif cannot make those coins interchangeable.

How to identify this variant

Start with the 25 centavo denomination, complete date and the exact mint-specific design. A country emblem or a year within a broad heading cannot establish silver content by itself. The nominal 6.768 g standard is a reference for a correctly attributed coin, not an authentication tolerance. Wear, clipping and damage can change measured mass. Patterns, tokens, regional issues and uncertain copies need separate identification rather than being forced into this calculator.

Understanding its metal content

The calculator applies 0.1965 fine silver troy ounce to each matching coin. Three pieces contribute 20.304 nominal gross grams and 0.5895 reference fine silver troy ounce. Gross alloy mass is not pure silver mass; a troy ounce also differs from an avoirdupois ounce. Dollar melt values require a current approved market-price feed. Missing prices are not represented as zero, and a metal calculation is not a collector valuation or buying offer.

Dates, varieties and composition changes

The confirmed family annual union is 1869–1890 and 1892. The reference KM 406.2 Culiacán includes an actual 1892 row beyond the original melt-group heading ending 1890. The established URL is retained while the visible chronology includes that confirmed year. No 1891 annual row was observed. The table covers Álamos, Chihuahua, Culiacán, Durango, Guadalajara, Guanajuato, Hermosillo, Mexico City, San Luis Potosí and Zacatecas; individual runs contain gaps. Each annual list below comes from observed dated reference rows; an overdate is counted under its visible issue year. Mint and assayer overpunched letters describe die varieties without adding a different annual year.

The reference dated type / mintActual annual yearsDated reference specification
KM 406 / As / A1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.1 / Ca / CH1871, 1872, 1883, 1885, 1886, 1887, 1888, 1889Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.2 / Cn1871, 1872, 1873, 1874, 1875, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890, 1892Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.3 / Do1877, 1878, 1879, 1882, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.4 / Ga1880, 1881, 1882, 1883, 1884, 1889Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.5 / Go1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.6 / Ho1874, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.7 / Mo1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9027 Weight: 6.7680 g ASW: 0.1964 oz
KM 406.8 / Pi1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz
KM 406.9 / Zs1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890Fineness: 0.9030 Weight: 6.7680 g ASW: 0.1965 oz

Melt value versus collector value

Date, mint, assayer, overdate, die pairing, condition and provenance can affect collector interest separately from fine silver content. Keep scarce-looking or unusual pieces available for individual review. The guide does not infer a grade, rarity or value from a photograph. Avoid polishing or cleaning and preserve certification, original holders and any established attribution.

Authenticity and condition

The genuine pictured 1889 image represents one documented type only. It cannot authenticate another specimen or demonstrate every mint, overdate or finish in the historical family. Clear photographs should retain the complete design, lettering and rims; add edge views and measured mass and diameter where available. Do not infer missing dimensions or alloy components from an image. A cast, plated, altered-date or unassigned regional piece requires further investigation.

Selling this coin

Sort historical 25 centavos by actual design, mint and date before entering quantities. Keep coins from other silver standards or base-metal issues in separate groups. CashForCoins’ existing photo-appraisal flow can carry the selected coin and quantity into an enquiry. Preserve suspected overdates and unusual die details for individual review, because an offer can depend on authenticity, condition and collector demand as well as metal.

Sources and calculation methodology

The designated reference World Silver melt reference supplies 6.768 g/.903/.1965 fine silver troy ounce. Dated mint types retain 6.7680 g. Most show .9030/.1965, while Mexico City KM 406.7 gives .9027/.1964. The exact dated difference is disclosed; it is not converted into an invented physical alloy change. The inspected reference tables do not provide a family diameter or thickness, so these fields remain unspecified. The preserved slug is not changed simply because a dated Culiacán row extends visible coverage to 1892. Annual mint-specific rows were reconciled from the linked dated reference tables, including observed overdates and assayer variants. No reference price-grid or mintage data is republished. The photograph source provides an independent CC 0 copyright-holder release, distinct from the coin-design public-domain notice. The uploader is Inri; the photographer is unspecified.

The actual dated representative photographs and independent reuse permissions were inspected. Complete faces are retained, with WebP conversion and no enlargement, retouching or synthetic reconstruction; joined source images are split with complete rims. These photographs do not assay another specimen. Actual staging rendering and calculator acceptance are separately recorded.

Common questions

Which years are included for these 25 centavos?1869–1890 and 1892. Consult the mint-specific table because individual mints have different gaps and end dates.
How much silver is in three matching coins?0.5895 reference fine silver troy ounce. Nominal gross mass totals 20.304 g; authentication and collector value are separate.
Why do some dated reference specifications differ?The guide discloses the exact source precision differences and retains the designated melt calculation. Small numerical differences alone do not establish a separate physical alloy issue. Missing dimensions are left unspecified.

References

Issue-year references

Content maintained by CashForCoins. Last substantive record update: 2026-10-12. Report a specification or attribution issue through our contact page.

Related coins

1951 Mexican .300 Silver Twenty-Five Centavos obverse: Mexican national arms

Mexican .300 Silver Twenty-Five Centavos

Photo credits and rights on the linked coin profile.

Mexico • 30% silver; remaining alloy metals not independently verified

Issue years: 1950–1953

Fine silver: 0.032100 troy oz

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