Tube clasp: late 19th century to early 20th century
S-hook clasp: Victorian to early Edwardian era
Barrel clasp: late Victorian to Art Deco period
Box clasp: early 20th century onward
Fishhook clasp: Victorian to early 20th century
C-clasp: mid-19th century to early 20th century
Safety clasp: introduced in the late 19th century, common in the early 20th century
Spring ring clasp: early 20th century onward
Lobster clasp: mid-20th century onward
Toggle clasp: early to mid-20th century, especially Arts and Crafts and later designs
Hook-and-eye clasp: Victorian era and earlier
Screw clasp: late 19th century to mid-20th century
Filigree box clasp: Art Deco to mid-20th century
Fold-over clasp: mid-20th century onward
Magnetic clasp: modern, generally late 20th century onward