HERBERT, Sir Alan Patrick, letters, autographs, documents, manuscripts Home | Archive | Facsimiles | Forgeries | Back HERBERT, Sir Alan Patrick (1890-1971). Author. Signature ('All good wishes / from / A.P. Herbert.'), ca 55 x 105 mm (2½ x 4 inches). [No: 5164] This is the archived description of an item that has already been sold. Please contact me if you would like any further intormation.