Evasion Halfpenny. Gulielmus Shakespear. 1791

tengo una moneda que esta escrito Gulielmus Shakespear. y en el adverso hispan niola 1791

es muy parecida a 1 Farthing - George II
1760

sera que es una falsificacion sin valor?

https://en.wikipedia.org/wiki/Evasion_(numismatics) 

 In a way all Evasion coins are counterfeit - here is yours 

https://www.worthpoint.com/worthopedia/1791-great-britain-gulielmus-429759493 

'… a 1791 Great Britain Gulielmus Shakspear / Hispan-niola Crowned Harp token. 

Bust faces left on the Obverse and the Reverse features a crowned harp. 

… this token is identified in Batty's Cat. as # 4672 (page 483)' 

 Also #389 on both these 

http://www.irish-tokens.co.uk/html%20for%20printing/vol-16r.htm 

https://archive.org/stream/tradesmenstokens00atkiuoft/tradesmenstokens00atkiuoft_djvu.txt 

[near the end of the very long list]