Spain, Carlist issue, 1873, 1r blue. Ample to large margins, tiny margin corner crease at lower left, tied by blue town postmark on 1874 cover, with Pamplona "Feb 9, 74" cds on reverse; minor cover edge wear, F.-V.F., attractive and very scarce on cover. Edifil No. 156. Scott No. X2  Estimate $2,000 - 3,000. $0 (Image)