Has anyone seen this mark before? It appears on the inside of the flared footring of a ca. 1810 sugar bowl marked by William G. Forbes of NYC, also marked with pseudo hallmarks of sheaf of wheat and bird's head.
http://www.flickr.com/photos/26102598@N06/2449326936/
http://www.flickr.com/photos/26102598@N06/2448503547/
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