Hallmark on Pearl Clasp?

by diane
(millsboro, de)

Hi, this strand of pearls was purchased in the mid 90s. I am trying to find out who the mfg was. Can you help? Ive included links to the front and back of the clasp. There is an earring also hallmark on pearl clasp in the second picture, earring in the foreground please ignore.

Thanks!
Diane
http://i969.photobucket.com/albums/ae179/valleypeach/fbad66ce.jpg
http://i969.photobucket.com/albums/ae179/valleypeach/a9fa0dee.jpg