This Japanese manufactured early three screw type bayonet stud band with front face cap is for the Type 99 Arisaka bolt action rifle in 7.7 caliber and is in good condition exhibiting a mixture of original blue finish with a brown patina and having specks of rust and light wear.  (file photos)

Note: Japanese Type 99 Arisaka bolt action rifles with the following arsenals and / or serial numbers have been observed with this part: 16866 & 21908