cover - Medical: 1893 (6 March) U5 with yellow printed butterfly-shaped "W. Clark's Marvellous Embrocation" on reverse, bearing roughly bisected 1d. lilac tied by "LONDON" d.s., used to Liverpool, flap torn; 1896 (4 Feb.) U5 with black "BEECHAM'S PILLS" vignette on front, bearing 1881 1d. tied by "ST. HELENS" duplex, used to Wolverhampton, minor peripheral faults, good