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Boosibri

Buy the Gilboy and Yonaka books

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TheGoonies1985

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TwoKopeiki

For relative scarcity you can also use NGC's world coin price guide powered by Numismaster. The prices are often incorrect, but it gives you a KM# view that shows within it key dates / varieties. It should hold you over until you get Yonaka and Gillboy references.

https://www.ngccoin.com/price-guide/world/

for example, searching for 1812 Mexico 8 Reales gives you entire KM #111 view (Ferdinand VII draped bust from 1811 to 1821)

Even at a glance you can see higher scarcity dates, like the 1812-HJ and 1813-HJ and the key 1814/3-HJ. It's missing a lot of varieties documented by Yonaka but at least it's something.

pruebas

The thing that skews the pop reports is that people tend to certify the scarcer/rarer dates more than the common ones hence the rarity disparity ( ) isn’t as large as it should be.

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