Bidspirit auction | Worldwide Pioneer Flights - Latvia

Worldwide Pioneer Flights - Latvia - 1933 (May 29-30), three ''Latvija - Afrika. 1933'' overprints on 10s, 15s and 20s, used on Pioneer Flight registered cover to Kaunas, arrival ''30.V.33'' ds on reverse, mostly VF, Est. $150-$200 , Sc. #C9-11