The Civil War Relicman, Harry Ridgeway
	Winchester, Virginia  Civil War buttons bought and sold
	relicman.com

Ridgeway Reference Archive, Civil War buttons
Catalog of button backmarks 
Robinsons & Jones

Richard Robinson formed a partnership with William Henry Jones, operating 1828 to 1834.

Most information on this page is from Tice's book, Dating Buttons..., the pictures are generally from buttons that I have handled. 

RobinsonJ12, (21mm)

Backmark:  "ROBINSONS, JONES & CO / (dot) ATTLEBORO (dot) / EXTRA / (dot) (star) (dot) (star) (dot) (star) (dot) EXTRA (dot) (star) (dot) (star) (dot) (star) (dot)" rm inner solid ring, middle solid ring, and two outer rings, one of dots and one solid, Robinsons & Jones manufacture 1830's, (RobinsonJ12).
Tice page 52, item count 12 [B1-10], modified.

B5726     Federal artillery button, eagle over cannon, Corps", one part flat, Robinson Jones, (21.8mm)

RobinsonJ13, (21mm)

Backmark:  "ROBINSONS, JONES & CO / (dot) ATTLEBORO (dot) / EXTRA / (dot) (star) (dot) (star) (dot) (star) (dot) EXTRA (dot) (star) (dot) (star) (dot) (star) (dot)" rm inner solid ring, middle solid ring, and two outer solid rings, Robinsons & Jones manufacture 1830's, (RobinsonJ13).
Tice page 52, item count # 13 [B1-11], modified.

B5027     Federal artillery button, eagle over cannon, one part flat, Robinson Jones, (214mm)