Vintage 925 sterling silver Birks (?) engraved pendant

Vintage /antique sterling silver pendant. With hand engraved detailing on the front side. Stamped Sterling "B". I think "B" stands for Birks (but can't guarantee!). In excellent condition. Good quality. Very smooth and pleasant to touch. 2.2 cm long. Unless the chain has a very narrow end, the bail ring needs to be opened in order to wear it on a necklace.