Keep Calm Gallery have this very lovely Ampersand ID Chart currently in stock. Their description –
Ampersand Identification Chart is a wonderful new limited edition letterpress print from Douglas Wilson. Based on the Snellen eye chart, this three colour print has been designed to keep your typographic eye keen on the details of everyone’s favorite conjunction. Each print comes with an identification key that details the names and weights of all 61 ampersands. Ampersand Identification Chart has been printed by Douglas in a signed and numbered limited edition of 110, and is available for £35.
A slew of images of the print after the jump.