Complete Set of Pinfire Locks Adolphe Jansen

Complete Set of 19th Century Pinfire Locks From A Double Barreled Firearm By The Belgian Maker Adolphe Jansen.

Beautifully engraved with floral scrollwork and intricate borders, signed Ad Jansen.

I've looked into the name and have seen several very high quality pieces and one with the engraving "Gunmaker to his Majesty in Brussels"/

Length 115mm, Height 26mm.