Overdating 1758 to 1759  (Ekaterinburg)
	the cyrcle diameter is 60 mm
		These four coins  were minted with the same die with the overdating.
		One more die with the nomograph (overdated), but the same eagle...(and one additional sold at the auction Conros)
		The same die with the nomograph (overdated), as the previous, but the different eagle..
		One more pair of dies, the overdating is unclear
the main    the list  the next