How much could cost?

Can anybody tell me how much money could these 3 handcuffs cost and which models are they? They are not mines but is to make me an idea for maybe buying them..

I just know that they are Spanish cuffs and the ones which are separated where the ones used inside the police car for holding the people to the ceiling..

Best regards

MaNu

Police car cuffs: Alcyon thick body flat-key models.

Middle photo: "Police Handcuff"/ "Pat. 186674" handcuff (anywhere from the 1950's to ?).

Bottom photo: Alcyon #5221 light-weight model.
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I don't know any more details/model numbers than the above. Maybe our "Spanish Cuff" collectors can help.

Re: Price - I would think $50 U.S. dollars would easily fetch any of these Spanish cuffs at private sale or auction. Outside the States, I don't know.

The police car cuffs are unusual.