Antq French Depose Sterling Silver Crab Mark Signed Marsin Glass Flower Brooch

High end early vintage or antique French sterling brooch, fully hallmarked. I can read'Depose' and'Marsin'. There is also a crab mark, and another that I can't identify. There is a diamond- shaped mark with 2 letters. This piece has great sparkle with unfoiled, open back faceted glass stones.

This is a brooch with simple c-clasp, but I think this was an early conversion from a coat or fur clip. There is a post on reverse at bottom, like you would often see on clips at the time - see photo 7. Very good wearable condition with no damage. Only light wear consistent with gentle use. Please wait to pay until all auctions are completed.

If your item arrives damaged, or not as described - please contact me. However, if an item arrives as described, I will not accept a return on it.