The ROYAL REGIMENT OF ARTILLERY Button Lot. Sweater Buttons. Victorian

Lot of 2. Both Victorian Crown over Gun design, both have no loop at the back but appear to be the type that where used on Sweaters, both quite well made. 1 - white metal, 25.19mm size. 1 - dull gold brass, 19.26mm size. Neither has a makers mark. Not sure if these are military issue or not but are well made.
Control #WS11602