Year?

https://en.numista.com/catalogue/pieces33343.html
This coin has year 1805 or 1804 (as written on coin)??

The islamic calendar starts in November of the Gregorian calendar so it is possible that this coin
was minted in 1804 and the muslim year 1219 which is mostly in 1805 so its normally written as 1805.

Numista Calendar always is adding a year when calculating AH to AD as compared to Krause. This is true for all the coins that has islamic years on them.

Hi,

that's stupid, since many islamic coins have the two dates, so instead of "guessing" the date, both dates have to be given! If only a christian date appears, then ONLY give that, if only the arab date appears, then ONLY give that!

Ole