Produced from 1970-1974. The included factory letter states these handcuffs with serial number "014073" were used by Colt as the official display model at various trade shows and exhibitions. This particular pair was likely the last pair shipped from the Colt factory. They were auctioned to the highest bidder at the 1989 Las Vegas Antique Gun Show on February 5th, 1989. With factory box and two keys.
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