1867, 1 Sh yellow green, watermark rose branch (\"aerosol\"), plate. 4, with left huge wide on folded letter cover (left side flaps missing) with duplex \"460 / liverpool 1 OC 70\" to Demerara / British Guiana with arrival postmark from 24.10. And transit postmark from London, transported in the letter end via Southampton with steamship \"Shannon\" and from St. Thomas with steamship \"Mersey\" through the Caribbean, stamp top right and in the left margin with individual shortened perforation, fresh colours, cover with horizontal archive fold the stamp tangent, interesting international cover with not frequent destination, ex collection Graham Booth