They eerily resemble these two images that were recently posted to ebay out of the UK...marked in exactly the same manner...they make me squeamish.
https://www.ebay.com/itm/Rare-19th-c...kAAOSwlpZaU1~m
https://www.ebay.com/itm/Rare-19th-c...0AAOSwmSdaU1hg
I'm not an image expert, but I'd steer clear.
Jon
www.dugouttreasures.com