Are reproductions of these being circulated? Thank you.

THE answer to that would be YES

paul

In ALL probability,the answer must be yes.
For specific characteristics on K/Q,s
that sure help on rapid initial recognition
get a read of the Deitrich Maertz new book.
Super book.
Seiler

Thanks. There was on on eBay recently for a very low price. I think the ad was cancelled. I found another on a dealer's site, claimed to be authentic, and the "6" was clearly different, when compared.