Lot 1975 /
Airmail Envelopes, 1960 International Envelope Co. essay, entire, Size 23, with repeating pattern in blue, with 6¢ Transport and "Canceled" violet handstamp, slight toning around edges, Fine and rare, Undersander only mentions size 12. Undersander Nos. EAM8E var.Estimate $300 - 400.
Realized: $375