Why is this overdate not mentioned in RESPLANDORES ?

bidask

https://us.v-cdn.net/6027503/uploads/editor/85/8yxj372fcw0k.jpeg

krueger

Maybe because its not very obvious and possibly controversial with the books authors.
Not all varieties are agreed upon by various experts, and the TPGs
can be involved in some of those controversies. Do some research on this variety
and see who claims or refutes what. There have been some hot discussions on such issues.
good luck~

Abuelo

Reasons? The book is in need of updating so there is one reason. But without being an expert and with as much amplification as I can on the phone, I do not see the over date. To be old...

TwoKopeiki

The book is more than 20 years old. The amount of new uncatalogued varieties is not surprising since the authors didn't really have the benefit of leveraging all the information gathering tools we have now.

syl

If you look at the "0"s in the 10 and 20 in the legend, they look similar to the "0" in the date. Even the 8's have that weird top closure. I also don't really see an overdate either .. just strange font/lettering, but I know very little about the Mexican silvers.

TwoKopeiki

I feel like a lot of numismatic references that were striving for completeness prior to the Internet age need to be updated. Simply put, no matter how specialized and sophisticated a numismatic researcher was 25+ years ago, the did not have access to even a fraction of the volume of a lot of these series that we are able to now archive, index, search, model, etc... Take Calbeto's "Compendio de la Piezas VIII Reales" for example, just in the relatively small Mexico Mint portrait series (1772-1821), I can think of at least 5 examples that were not documented. I can also think of a few that were that I'm pretty sure are actually contemporary circulated silver counterfeits.