British Guiana. (Isle of Man). 1823. Pre stamp envelope written from Berbice dated 'May 7th 1823' addressed to 'Ballamoar, Jurby, Isle of Man' rated '6' in m/s, sent on the steamer 'Lune' via Liverpool and endorsed 'To the care of M. Kewly Esq., Liverpool. (Ballamoar Castle built in 1900 stands on this site now.