Akbar narnol mint, what does KM 28.41 mean?

Them being from before 1600 it's very unlikely that they are listed in a KM catalog. So maybe the number comes from a different catalog and the standard reference wasn't changed.
But also why is the mint A. P. Casting?

It is a Krause number although I don't think there's a catalog for 1501-1600.

I got lucky and was one of the winners in the April 2025 ANA magazine scavenger hunt.  The coin was in a coin envelope, and on it is written

AKBAR NARNOL mint  972AH  and KM28.41.

Thanks for responding, I now know more than I did a few minutes ago!

rsirian1

It is a Krause number although I don't think there's a catalog for 1501-1600.

https://numismaster.com/MC_63109

Last Krauze numbers are available online. 1600-1700 version can have stuff before 1600. Germans got paper version starting from 1501.

Narnol mint is not registered in Numista.

tokul

rsirian1

It is a Krause number although I don't think there's a catalog for 1501-1600.

Last Krauze numbers are available online. 1600-1700 version can have stuff before 1600. Germans got paper version starting from 1501.

 

This is an old Krause reference created well before SCWC went south.

Best Catalog to view is South Asian Coins & Paper Money - Indian Edition, 

,

rsirian1

 

It is a Krause number although I don't think there's a catalog for 1501-1600.

It's a Krause number indeed and its from the catalog “The Standard Guide to South Asian Coins and Paper Money” by Colin R. Bruce II, who was also the editor of the SCWC's. This catalog starts in 1556, so a few decades earlier than the SCWC. Hence OP's coin has already a KM# reference number although it's before 1600:

I created a request to add the catalog to the KM reference set.

Thank you!