Los 415
'Condor on Cliff' 10 c. with additional surcharge " - 30 CVS. -", tied by fancy oval cachet "Cia de Navegacion Aerea Agencia Barranquila" to cover front from Cartagena to Barranquilla. Only very few coversof these commemorative covers are known to exist, they do not bear the 3 c. goverment stamp for the pre-payment of the regular postage. All these covers are signed by J. Soto with the hand-written inscription "Recuerdo del primer correo aereo de Cartagena Febrero 21 de 1920", stamp with good margins and just touched at lower left, otherwise very fine, extremely rare, Holcombe certificate
