31962 Belgian Congo-Sud-Kasai 1961.

Wonderful mint never hinged accumulation of mainly complete sheets of the scarce 1961 overprint issue ‘lutte contre la malaria’ on the values 1fr, 1fr50 and 3fr50, also ‘pour les repatries on the 1fr and 8fr. OBP (Belgian specialised catalogue ex. 20B-23C), catalogue value 598.400 euro (almost six hundred thousand euro!!!). This material is very scarce and nearly impossible to find in complete sheets (inventory list with the lot). Offered at less than 1% of the catalogue value!!

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