SCHAEFFER, Jacob Christian. Elementa Entomologica, Regensburg: Weiss, 1766, 4°, FIRST EDITION, 135 hand-coloured engraved plates (discreet perforation stamp on title, accession number on *3), contemporary marbled sheep, spine gilt (rubbed), g.e, gauffered corners. [Nissen ZBI 3626] Provenance: JCL