KM-Number — Collectors Universe https://forums.collectors.com/ Sun, 08 Nov 2026 00:57:02 +0000 en KM-Number — Collectors Universe Mexican Colonial Silver Combined NGC/PCGS Census by KM-Number https://forums.collectors.com/discussion/1126581/mexican-colonial-silver-combined-ngc-pcgs-census-by-km-number Sat, 31 Oct 2026 15:57:34 +0000 World & Ancient Coins Forum AngryDragon 1126581@/discussions Something I have needed for a while and finally realized it could be done. The data is based on an extract I obtained nearly a year ago for a related purpose. It should be easy enough to update. It is a work in progress. Updated as of 10-31-2026

Combined grade and date NGC/PCGS population census histograms by denomination and KM-number

Try it out: https://claude.ai/artifact/R3reZk8HYR9vuhBgYk41vm

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