1863, 24¢ grayish lilac (pair) + 5¢ brown. Tied by cork cancel on folded letter to Shanghai, China, via London, Marseilles and Hong Kong, with appropriate other markings, signed as genuine by Ashbrook, interesting business contents, a Very Fine cover; with 2006 P.S.E. certificate. Scott No. 78a+76  Estimate $750 - 1,000. $0 (Image)