Lot   Cat.#
847  C53-57
1934, Airships, perforated trial color proofs of 5k in ultra, 10k in violet, 15k in red orange, 20k in brown and 30k in green, perforation 11, printed on watermarked Borders and Rosettes paper, very fresh and nice, gummed, VF and very rare, especially in complete set

Stamp Auction #82, June 21, 2019. Raritan Stamp, Inc