The Queen commands

To all Collectors. The Queen warns: one more set or off with your head ». 
 
Source: CCI Chess and Humour, 2022

‘A game of chess’

Engraving by Charles Williams (1797-1830). Napoleon versus Georges III. 1802. 24.5x28cm.
 
Source: CCI Chess and Humour, 2022

Maria Theresia & Frederic II

Litography from 1975. By A. Paul Weber. 26cmx38.5cm
 
Source: CCI Chess and Humour, 2022