UNITED STATES of AMERICA. 10c George Washington – Green, Type I (1855 Issue). USED, Extremely Fine, well-centered. A colorful stamp with. Bright red circular grid cancellations. There are no faults. 2020 PF certificate #569417 (graded 90 XQ) &. 1999 PF certificate #343721 (“it is genuine”). If you have questions regarding this scarce Scott #13, please contact Christopher Rupp. Rupp Brothers was established in 1975 – our 48th year in business as professional philatelists. Contact Christopher Rupp to sell your quality United States stamps. Well-centered unused stamps, scarce varieties, fancy cancellations and revenues are keenly sought for a sophisticated and broadly-interested philatelic clientele. Christopher can be counted on to provide collectors with trusted and competent advice. Collectors deserve to receive the full market-value for their philatelic collections. Christopher Rupp will work, on your behalf, to achieve your philatelic and financial objectives.