Envelope (only) in Whistler’s hand, addressed to “Henry Simpson Esq., Carlyle Studios”. 4 x 5 inches, roughly opened. Undated. James Abbott McNeill Whistler (1834-1903), artist. Henry Simpson (1851-1921), artist, studied at the Slade School of Fine Art and in 1887 he joined the New English Art Club. Simpson was a friend and correspondent of James McNeill Whistler.