Help with ID of 1790 Coin/Token

[WYO1]

I posted this on todays finds but thought I would ask the experts here for some help with identification.
Thanks

 

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[Mackaydon]

Gaming Counter, imitation 'spade' guinea, George III (1760-1820), brass, Birmingham, England, Great Britain, after 1790.

http://www.powerhousemuseum.com/collection/database/?irn=313600

 

[WYO1]

WOW thanks for the link!
I'm still not sure what this thing is though.

 

[Mackaydon]

Real spade guineas and half guineas were struck in gold in the reign of George III between 1787-1800 and came to be so called by reason of the resemblance of the shield on the reverse to a spade. Yours is an example of one of the many imitations struck in brass mostly during the 19th century in Birmingham for use as counters in games and for advertisement.

Source:http://www.winchestermuseumcollecti...mFromLink&filename=num.mdf&itemId=WINCM:C2607

Don......

 

[Mackaydon]

One more page.....
http://www.tokensociety.org.uk/topics/imitation-g.shtml