Se-tenant Pair (issued without gum)
Block of 4, that is, two Se-tenant Pairs (issued without gum)
In 1921, to facilitate domestic airmail delivery of mail originating overseas, the air transport company SCADTA issued postage stamps for the final airmail delivery of letters to the huge interior lands of Colombia. Scadta agents and the Colombian consulates in the foreign countries calculated the rates involved and sold Scadta postage stamps.The...