Jake and Dinos Chapman (1966 & 1962-) ''JAKE NOT DINOS'' AND ''DINOS NOT JAKE'' individually signed by the Artists in pencil and numbered 86 from editions limited to 100, executed 2006, sold with certificate of authenticity etchings 40 x 30.5cms; 15 3/4 x 12in. (sheet size) (a pair) See illustration