This is from the 1977 Royal Hong Kong Police, 13,000 of them were traded towards purchase of new guns in 1983, this was purchase by Acusport Ohio for Resale and Century Arms International; 4" BBL; has some bluing loss and spotting; checkered wood grips; 6-shot swing out cylinder; stamped RHKP 6677 on back strap of grip; SN#AFU1232