Canada 28

1868-1872 Twelve and One Half cent blue on medium horizontal wove paper, a post office fresh mint single with radiant colour on bright fresh paper, nicely centered and possessing unusually full original gum that has never been hinged. A beautiful and seldom seen stamp in this premium, Very Fine, Never Hinged condition; photocopy of 2013 Greene Foundation cert. for a strip from which this stamp originates (Unitrade 28; catalogue value $5,600)