Ace Model 1
This is a US made thumbcuff from the 1930s.
Bianchi 510
These standard thumbcuffs were made in Taiwan and marketed by Bianchi as their model 510.
BR-S
These Russian thumbcuffs don't have teeth inside the bows.
Chicago 500
These are standard thumbcuffs made in Taiwan.
Chinese brass
It is unknown (at least to me) who made these brass cuffs.
Fosco
These are standard thumbcuffs from Taiwan. They are marked 'US FOSCO STELL INC'.
Fury 15913
These are standard thumbcuffs from Taiwan.
Fury 15913 black
These are standard thumbcuffs from Taiwan in an unusual black finish.
Gale Finger Cuff
This is not a real thumbcuff but rather a thumb come along. It opens with the sliding button on the lock case.
Gill Lion Tamer
These thumbcuffs were made in the 1930's. They are one of the first modern thumbcuffs.
H.W.C.
These thumbcuffs were made in Taiwan for the Hamburger Woolen Company of New York. The keys is marked 'Taiwan' and 'HWC'.
Manila
These thumbcuffs are actually miniature handcuffs. They are well made and have a nice decorative finish.
Unknown
These are standard Taiwanese thumbcuffs. The second keyhole is for unlocking the double lock.
These Chinese single-locking thumbcuffs use a non-standard key.
These thumbcuffs are probably from Indonesia. They came with standard keys (complete with double lock activator) although they are single locking only.
Unknown 'Super-K'
These thumbcuffs are actually miniature handcuffs and are of a higher quality than the 'handcuff keyrings' one often finds. They really look, feel and function as a smaller version of the standard cuffs shown elsewhere.
Yuil M-05
This thumbcuff has seperate keyholes for each shackle and double locks through sliding slots. The key is smaller than standard.