Antique Victorian Large 10K Gold Bolt Clasp 0352

Victorian 10K gold bolt ring clasp 
for necklace or bracelet or watch chain.

The clasp measures 10 mm diameter.

There are no hallmarks, tested 10K gold.
The weight is 1.0 grams.

The clasp works well.

Very good antique condition.
The bolt sometimes needs a little encouragement 
for complete closure.