cover 1860-63, 5c Blue, 10c Vermilion (10, 12, Gibbons 24, 28), both placed sideways, indistinctly tied by oval grids on 1867 cover from Windsor to San Francisco, Boston BR. PKT transit d.s., ms. 'By Steamer from New York' on front, minor faults, very attractive and fine-very fine, ex Neville Clifford-Jones, illustrating the scarce 15c rate to California via Panama in closed mail sack photo

Details
cover 1860-63, 5c Blue, 10c Vermilion (10, 12, Gibbons 24, 28), both placed sideways, indistinctly tied by oval grids on 1867 cover from Windsor to San Francisco, Boston BR. PKT transit d.s., ms. 'By Steamer from New York' on front, minor faults, very attractive and fine-very fine, ex Neville Clifford-Jones, illustrating the scarce 15c rate to California via Panama in closed mail sack photo