Unidentified photographer
n.d.
Union case - Geometric (Berg 3 - 60)

Daguerreotype, 1/6 plate
Larry Gottheim, Be-hold, Inc
Courtesy of Larry Gottheim - Be-Hold (45 / 37)
 
As Berg notes, this is the largest 1/6 plate size case. There is a scalloped border, and the outside hinges extend way out.
 
LL/10886