Blank greetings card with envelope featuring:

Probably Cornelis Rudolphus Theodorus Krayenhoff, formerly known as Tiberius Cavallo NPG 1412

© National Portrait Gallery, London

by Unknown artist

Krayenhoff had both scientific and artistic interests. This portrait shows him with a twin-plate frictional electrical machine and, behind him on the chair, an artist's palette.

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.