[Abraham Vanderdort] [art original].[approximately 1800]engPortrait, head and shoulders, of an old man with loose, curling hair to his shoulders, and a plain white collar, three quarter to right, looking down to centre; after DobsonTitle from local catalog card.Unsigned; artist unidentified.After a painting by William Dobson that was part of Sir Robert Walpole's collection at Houghton.Date of production supplied by curator.With sitter's name "Vanderdort" written in pencil on mount.Bound in opposite page 52 in volume 2 of Thomas Kirgate's extra-illustrated copy of: Walpole, H. Anecdotes of painting in England. Printed by Thomas Kirgate at Strawberry-Hill, 1765-1771 [i.e. 1780].