1862, 6 P. Purple violet, watermark heraldic flower (\"Emblems\"), type I without corner lines, plate. 3, LP, on properly franked envelope with duplex \"W / 31 LONDON W 5 SP 63\" to Milan / Italy with transit postmark \"SEST A TORINO\" and arrival postmark, all around well perforated, faultless condition, ex collection David Brown