Letter, William Slater, 4 Carlton Chambers, Regent St, SW, (London) (to Robert O'Brien), 2 Feb 1860, thanking for reply about organ, screen and extra stalls (re restoration of St Marys Cathedral). Half sheet written two sides. Embossed top l. A Clarke, Post Office, 132 Jermyn St. (Watermark: Joynson 1860).