Yes, your marks are upside down. Everybody has trouble with this set of silverplate marks. Check out John Nowill & Sons here: http://www.925-1000.com/silverplate_N.html
Hi everyone. That is Th. Marthinsen's silverplate mark. http://i109.photobucket.com/albums/n80/2209patrick/Scan10032-3.jpg Norges Gullsmedforbund fastsatte ( Norwegian Goldsmith Association) established rules for electroplating and issued this GP quality mark in 1931 or 1932. http://i109.photobucket...
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