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How to search the catalog

Field-by-field guide to the die search form

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The die search page is the main way to filter the CopperCoins catalog. You can also reach dies from the Date Guide (pick a year, then search within that year), but search is best when you know part of what you are looking for — a year, mint, die type, or die number.

  • Choose at least one filter, then press Search. An empty form will not run.
  • Filters combine with AND logic — every criterion you set must match.
  • Leave a field at its default (Any) when you do not want to limit on that field.
  • Use Clear on the search page to reset the form.

Common searches

All cataloged dies for one year

  1. Open Search.
  2. Set Year range — put the year in the first box only (leave the second box on Any).
  3. Press Search.

Example: 1972 in the first year box returns every die attributed for 1972.

Doubled dies at one mint in a year range

  1. Set a Year range (e.g. 1955 to 1964).
  2. Check one or more Mint boxes (e.g. Philadelphia only).
  3. Choose a Die type such as Doubled Die Obverse (DO) or Doubled Die Reverse (DR).
  4. Press Search.

Look up a die by number

  1. Type all or part of the die number in Die number.
  2. Press Search, then click the die number in the results to open its detail page.

Partial matches work. Examples: 1960d1mm finds repunched-mint-mark dies for 1960-D; 1960d1mm006 narrows to one listing.

Find dies by design variety

  1. Set a Year range that includes the issue (e.g. 1970 for large date vs. small date).
  2. Optionally check a Mint or choose Proof / Business strike to match the issue you are studying.
  3. Pick a variety from Design variety (the list appears after you choose a year).
  4. Press Search.

Design varieties describe date size, composition, and similar splits on the coin design — not mintmark punch shape. See Design Varieties for background.

Find dies by obverse or reverse design type

  1. Set a Year range for the issue you are studying.
  2. Optionally choose Proof or Business strike so the design-type lists match that striking method.
  3. Pick an engraving from Obverse design type and/or Reverse design type (ODT / RDT).
  4. Press Search.

Design types describe which global engraving a die uses on each side. You can filter by either side alone or both together. Choose Unassigned only to find dies that should have a scoped type for that year but do not yet. See Design Types for plate photos and year scopes.

Find dies by mint mark type

  1. Set a Year range (e.g. 1979).
  2. Check Denver or San Francisco (mint mark types apply only to branch-mint dies).
  3. Pick a profile from Mint mark type (e.g. Clear-S or Block-S).
  4. Press Search.

Mint mark types describe how the D or S punch looks — serif S, sans-serif S, Clear-S, Block-S, and others. Philadelphia cents have no mintmark and are not tagged with mint mark types. See the mint mark types reference.

Find catalog gaps (unassigned varieties or styles)

Staff and advanced collectors sometimes need dies that still need tagging:

  • Design variety → Unassigned only — dies on an issue where design varieties are defined, but this die has none assigned yet.
  • Obverse / reverse design type → Unassigned only — dies that should have a scoped ODT or RDT for the year (and proof setting) but do not yet.
  • Mint mark type → Unassigned only — Denver or San Francisco dies in scope for mint mark types, but no punch profile is on file yet.

Pick the year (and branch mint for mint mark type) first so the Unassigned only option appears in the list.

Match an outside catalog number

  1. Choose a system from Cross reference (Wexler, CONECA, Fivaz/Stanton, Crawford, or another active catalog).
  2. Add any other filters you know (year, mint, die type).
  3. Press Search. Results show only dies with that cross reference on file, sorted by the external number.

Example: pick Wexler and scan the xref column to map a Wexler listing to a CopperCoins die number. See also Cross reference systems.

Notable varieties in a period

  1. Set a Year range.
  2. Choose Minimum star rating (e.g. 3 star or higher).
  3. Optionally add mint or die type filters.

Star ratings highlight dies the catalog editors consider especially interesting or well documented.

Search fields explained

Year range

One year in the first box searches that year only. Use both boxes for a span (e.g. 1955 to 1964). Years outside the Lincoln cent catalog range do not appear in the lists. Several fields — especially Design variety, Obverse / reverse design type, and Mint mark type — need a year before their lists populate.

Mint

Check Philadelphia, Denver, San Francisco, or West Point. Leave all unchecked to include every mint. Multiple boxes checked mean “any of these mints.” Checking Denver or San Francisco also enables the mint mark type list for applicable years.

Die type

Limits results to a die variety category — for example DO (doubled die obverse), DR (doubled die reverse), or MM (repunched mint mark). Any type does not filter on die type.

Strike type

Choose Proof or Business strike when you only want one striking method. Proofs are often cataloged separately from circulation strikes for the same year. Changing strike type can change which design varieties appear in the list.

Die number

Text match against the catalog die number. You do not need the full number if you remember the year, mint, and type prefix.

Classification

Partial text match on the die’s classification field (hub-doubling class and similar attribution text). Useful when you know the class name but not the die number.

Design variety

Filters by large date, small date, composition, and other design splits defined for the years in your range. The drop-down starts disabled until you pick a year; it then refreshes when you change year, mint, or proof.

Unassigned only finds dies on issues where varieties exist in the catalog but the die itself has no design variety assigned. This is separate from mint mark type — punch profiles such as Clear-S and Block-S are searched under Mint mark type, not here.

See Design Varieties for definitions and photos.

Obverse / reverse design type

Optional filters for the engraving on each side of the coin (ODT on the obverse, RDT on the reverse). Pick a year first; the option lists refresh with year and proof. Use either filter alone or both together when you know which design type pairing you are studying.

Unassigned only finds dies that fall inside a year scope for design types but do not yet have that side assigned. This is separate from Design variety (date size / composition splits) and from Mint mark type (punch profiles).

See Design Types for the public reference hub.

Mint mark type

Filters by how the branch-mint letter was punched on Denver or San Francisco dies — for example serif S, sans-serif S, ball-serif S, Clear-S, or Block-S. The list appears only when your year range includes years with documented punch profiles and you have checked D and/or S (or left mint open but picked a style that applies to one branch).

Unassigned only finds branch-mint dies in scope for mint mark types that do not yet have a punch profile on file. Philadelphia dies never use this field.

See the mint mark types reference and linked Date Guide years for examples.

Minimum star rating

Shows dies with that many stars or higher. Leave on Any to ignore star rating.

Cross reference

When you choose Wexler, CONECA, Fivaz/Stanton, Crawford, or another active system, results include only dies that have that cross reference on file. They sort by the external catalog’s number, and that number appears beside the CopperCoins die number in the results.

Sort, order, and display

Choose how results are sorted (die number, year, mint, die type, or stars) and whether they appear as a list, grid, or compact table. These options apply when you press Search; you can change them and search again without clearing other filters.

Working with results

  • Click a die number to open the full die page (stages, photos, values, and cross references).
  • Result rows can show pricing summaries, notes, and cross references depending on display mode.
  • Signed-in members can save a search from the results page and reopen it later from My Coppercoins.
  • For a ranked view of priced varieties with preview photos, try the Value Board.

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