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 
Cullen Brown, Detroit Michigan

Cullen Brown, located in Detroit Michigan were outfitters operating from 1846 to the late 1860's.

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

Cullen02Small, (15mm)

Backmark:  "CULLEN BROWN / (star) DETROIT (dot)" dm inner ring, small size only. This tailor operated 1846 to 1860's, (Cullen02Small).
Tice page 117, item count 2, modified.

B4721      Maine button, state seal husbandman and seaman with white pine, officer staff, Cullen Brown Detroit, dm, (14.7mm)