DENMARK (1915) Red Cross. Military free frank envelope sent from Danish front line forces in World War I to Red Cross headquarters in Copenhagen. Hard to find!
AVAILABLE AT $150
RUSSIA (1934) Train*. Ship*. Plane*. Truck*. Postal card (O) with illustrated advertising "Participation in the fight for safeguarding health is the important task of the Red Cross and the Red Crescent."
AVAILABLE AT $50
RUSSIA (1935) Collective farmers*. Postal card (O) with illustrated advertising "Raise up the masses in collective farms by strengthening the USSR sanitary defense."
AVAILABLE AT $50