Republican invincibles - Public domain portrait print

Political campaign button for 1864 presidential election showing bust portrait of Abraham Lincoln, facing right (possibly Wenderoth & Taylor photo); metal shield with oval window and with pin fastener attached.

(PR 17 CN 541.13)
Exhibited: "With Malice Toward None : The Abraham Lincoln Bicentennial Exhibition" at the Library of Congress, Washington, D.C., 2009.