I have a early production Series 40 Jinsen Type 99 with a serial number of 020. I understand that the 40th series was the only Type 99 series that the Jinsen Arsenal produced. It has an original leather sling & original Jinsen bayonet & scabbard with frog. The frog is a reproduction. The bolt does not match the rifles' serial number, however, all parts of the bolt do match. Am I correct in thinking that this is the 20th Type 99 that the Jinsen Arsenal produced? Many thanks.
James