Hand magnifiers would make a great addition to an altered book, jewelry or other assemblage pieces. They're made of a bright silver base metal which could be given a nice aged patina, antiqued or altered. All have a hole at the base of the handles to attach a cord or chain to.
Sm curvy 1-1/4 x 3-1/2" 
Sm lined 1-3/4 x 4-3/8"
Sm ornate 1-5/8 x 4-3/8"
Diamond  1-5/8 x 4-1/2"
Ornate  1-7/8 x 4-7/8"