Design for a Town Coach

Pen and ink, watercolour and carriage oils on board (dark blue, black, vermilion) [design for a] Town Coach (with flap revealing a design with or without for Lord Elphinstone / F W[ickstead, Barker & Co., London], [ca1840], (two flaps absent) scale 3/4":1' (1:16), 22.3 x 33.3 cm.