Lot 307, Canada 1927 twenty cent orange OHMS Special Delivery, used F-VF July 24, 2020January 13, 2017 by Sparks Auctions Lot 307 Canada #OAE3 1927 20c orange Special Delivery perforated 5-Hole OHMS Official, used with small part c.d.s. cancel, ever so slightly sulphurized and fine-very fine. Catalogue value is for fine only and rarely offered. Unitrade CV$350.