1940 - Libia: Pittorica 5L without watermark, four copies, with 1,25L sky blue and 2L carmine on Registered Air Mail letter from "TRIPOLI 16.5.41" to Rio de Janeiro "via Lati". Censorship marks and label on the cover. Extremely fine, rarity in this field. Sign. E.Diena, Cert. Colla (Sassone 43+105+163x4 - € 8.800+)
