SilverMine:
Silver and Silver Hallmarks. A site to aid in the study and
identification of the marks struck on silver, including a brief
history of English silver, bookshop, world silver marks and an
Exchange to post and reply to queries.
http://freespace.virgin.net/a.data/index.htm
Silver Bookmarks:
Collection of antique silver bookmarks, consists of 601 unique
pieces. Bookmarks are mostly silver but some are gold, brass,
copper, pewter, silk.
http://www.silverbookmarks.com/SBHome.html
Online Encyclopedia of American Silver Marks:
This is a directory of American Silver marks often seen on sterling
or coin silver flatware and hollowware.
http://www.silvercollecting.com/silvermarks.html