Sight rear Winchester No 66A Models 1900, 1902, 1904 53,55,58, 59,60, 64, and 65 ORIGINAL

This is an ORIGINAL Winchester early No 66A rear sight for 1900, 1902, 1904 and also used on Models 53,55,58, 59,60, 64, and 65 rifles. This is a stationary rear sight with a V notch in the middle.  Also used as special orders on other single-shot Winchester rifles.