Définition

• A very large and beautiful copper coin, issued in 1797 at the Soho mint. Birmingham, which owes its existence to Matthew Boulton (b. 1728). Its weight was exactly two ounces, and the corresponding penny was one ounce; yet this weight rendered them unwieldy and they were only issued in the year above mentioned. See Montagu, and Spink (ix. 4519). They were long used as weights by shopkeepers, and from their size obtained the nickname of " Cartwheels."

  This is the first and last twopenny piece that was ever coined by authority in cop- per.

La source

• Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)

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