Engraved plates after Raphael

RAPHAEL. DORIGNY, NICHOLAS - RALPH, BENJAMIN. The School of Raphael or the student´s guide to expression in historical painting. Illustrated by examples engraved by Duchang and others, under the inspection of Sir Nicholas Dorigny, from his own drawings... London (John Boydell, 1759).
Folio. 13, (blank), (1), 14-24 pp. With 55 plates (incomplete, plates numbered 62 & 66 with small brown stain).
Dark brown half cloth, very worn, loose in spine, with marbled covers. Folding mark vertically on front cover and title page. Title page mended on several places. Text with damp stains in lower margin and spotting.

Incomplete. Sold as collection of plates, not subject to return.