Vintage Colt sewing buttons # 54 and 61
Vintage Colt sewing buttons # 54 and 61, sold by the each button
Coltrock Colt fire arms made buttons in the 1940s.
These are confirmed patterns: # 56 is the MIT, and # 61, Cornell, is the mottled version of # 56.
While these are vintage used buttons they are in excellent condition.
Please see all of the photos.