Colombia EE.UU. 1866 5c yellow orange, used by blue-green '(BARB)ACOAS, (FRA)NCA'. Barbacoas is a town (and municipality) in the <a href="https://en.wikipedia.org/wiki/Nari%C3%B1o_Department" class="extiw" title="w:Nariño Department">Nariño Department</a>, Colombia. Signed.
Colombian government
1866
Scan of original