Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2

Portuguese Colonies - Nyassa - Postage Due stamps

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Start price: $150

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Description

1924, Giraffe ½c in yellow brown, Zebra 2c gray violet, ”San Gabriel” 6c ultra and Vasco da Gama 20c orange, four trading triangle proofs (essays), each one with puncture at left and black two-line overprint, no gum as produced, VF and rare, original Waterlow and Sons, Ltd card is enclosed, Est. $300-$350, Scott #J1/J8