Contact Christopher Rupp to sell your quality United States stamps. Well-centered unused and postally used stamps are keenly sought for a sophisticated and broadly-interested philatelic clientele.Early imperforate issues, 1869 Pictorials, First & Second Bureau Issues, Columbians, Trans-Mississippis and Graf Zeppelins are especially needed. 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.