www.925-1000.com

I've ruled out everywhere that I can search for- Not Cape or Canadian, which were my first suspicions. I wonder if it is either one of the West Indies or an unknown Chinese Export maker.



Couldn't get a good close up of the marks, so here are two, with different parts in focus.





Any ideas?

For kick offs.
The marks look like ‘real’ London marks.
The style of the mug Georgian.
I believe the mug could be original early China trade silver made early 19th century.
I would not be surprised the mug to be made by Cumshing; regarded as the one of the preeminent Chinese silversmiths and according to Crosby Forbes in Chinese Export Silver: 1785 to 1885, "stands without peer among early Export silversmiths." (p.74)

Oel

Apologies for the disappearing images- my website has gone through some changes, including the re-naming of all posted images, so these have fallen by the wayside. I will repost below for reference.

Thanks Oel for your opinion. I have been unable to confirm your (our) suspicion that it is China Trade, but I think it seems the most likely candidate. Do you have the "Chinese Export Silver" book by Forbes? I do not, because it's rather expensive, and this site is quite good on the subject. - I wonder if there are any marks illustrated in the book which do not appear on this site?

Apologies, it would help if I re-read the thread before posting again, and saw you'd already referenced the book!