1855, 10¢ green, type III, large to huge margins all around with left sheet margin, tied by "Charleston S.C. Dec 19" cds on small cover to San Francisco Cal., endorsed "via Steamer from New Orleans to Vera Cruz", original 1856 enclosure; minor edge wear, partial flap, Very Fine and choice. Scott No. 15  Estimate $500 - 750. $0 (Image)