my friend is a bouncer at a gip hop night club in virgina beach va and someone lost these and did not come back for them so he gave them to me theres no other marks other then ajs and gns i really dont know this type of jewlery ill take some more photos of the marks when i get homeThose appear to be Maker's Marks.
Have you established the country?
The AJS could be A.J. Stracham (London), or Arthur J. Smith (Birmingham) or Alfred Jorgen O. Sorenson (Denmark) or
Can we see the marks?
Don..
EDIT: GNS could be George Steere of GNS & Co., Providence, R.I.