Just another example of a coin padlock.
This coin padlock had a high bid of 21 British Pounds / $32.94 (Plus $4 Shipping).This auction is for an unusual padlock for a bracelet.
Made from 2 1883 3 pence coins.
Measures 1.7 cms across.
The padlock does not seem to be able to undo, but it may just need oiling.
Otherwise it is in good condition and comes with its original key. - eBay (30 Oct 2011)