Printed by L.Nuñez, Photogravurer.
Surcharged 2 / Centavos in BLUE.
Variety: Surcharged "Centavas" instead of "Centavos". (YT CO-CUC 41aB). Can be found in position 20 of sheets.(see lower image)
Same surcharge design as on the Santander department issue.
While Michel mentions this series, but without ascribing a particular number, Stamp Number says that the stamps are believed to have been produced without Government authorization.
