1939 MAIL TO SPAIN/SPANISH CENSORSHIP. 1939 envelope Clacton on Sea to Las Palmas, Grand Canary with KGVI 4d grey/green (toned perfs) cancelled CLACTON-ON-SEA/ESSEX 3 OCT 1939. Opened at left with CENSURA/MILITAR/LAS PALMAS cachet; on reverse Madrid receiver. (Ref 89097).
