(O31S) 15c Purple, Unused as issued, sharp color, SP, fresh and Very Fine appearance, only 157 issued (Image)

CV 1,250.00

(O57Sa) 1c Bluish Green, "SEPCIMEN" Error, Unused as Issued, deep dark color, all the perfs are intact, fresh and Fine example of this very scarce stamp (Image)

CV 2,500.00

(O57Sa) 1c Bluish Green, "SEPCIMEN" Error, Unused as issued, deep dark color, fresh and Fine example of this exceedingly rare variety with less than ten known (Image)

CV 2,500.00

(O83Sa) 1c Rose, "SEPCIMEN" Error, Unused as issued, good color, all perfs are intact, just touching at T., fresh and nearly Fine example of this very rare stamp with less than 10 known, 1976 PFC (Image)

CV 3,000.00

(O91S) 24c Rose, Unused as issued, strong color, couple purple stained perfs at L., SP, Fine appearing example of this rare stamp with only 106 issued (Image)

CV 1,400.00