1940s Uruguay Anti-tuberculosis set of cards, listed, Rarity

Description

Seal . cinderella . label . charity stamp . Christmas seal . WX . Xmas seal . Red Cross seal . poster stamp . TB . tuberculosis . vignette . vineta . chiudilettera . erinnophilo . etc. -
Uruguay National Anti-tuberculosis Crusade set of 4 artist signed cards, 68x96mm ea, Green's Worldwide Tuberculosis Seals cat. listed after #72 (evidently information was not available) ; probably 1940, ungummed but hinged once  -  see scan
-  a wonderful rarity set from country with only a few anti-tuberculosis issues - certainly A ONE TIME OPPORTUNITY
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.50 domestic shipping worldwide - will combine winnings into one shipment when possible.
Cinderella and Charity Stamp Dealer since 1985, accurate descriptions of material, please check my other auctions and eBay Store for more rare and unusual seals.