1871 AD., Great Britain, George III spade guinea type Brass Token or Gaming Counter, by CWB & CO of Birmingham, dated 1790.

Great Britain, George III spade guinea type counter, by CWB & CO of Birmingham (the proprietor's actual name is uncertain.), dated 1790 AD., the date, is fictitious, actually struck circa 1871,
Brass Token, Gaming counter (25 mm / 3,55 g),
Obv.: GEORGIUS III DEI GRATIA. , bust of George III right.
Rev.: W. C. B. ET. CO. D. G. - I. REX F. D. B. I. R. M. / 1790 , around crowned shield. The shield is divided into four sections, representing Ireland, Scotland, Wales and England.
Cf. Michael Mitchiner, Jetons, Medalets & Tokens, No. 9229. .

A gaming token, imitating the design of an 18th century ’spade’ guinea, which was made of gold. A true guinea ought to weigh 8.4 grams, and a half-guinea 4.2g.

Starting after the date, CWB & CO of Birmingham (the proprietor's actual name is uncertain. The REX was thrown in to make it look semi-authentic.