SWANNY Posted November 16, 2015 Posted November 16, 2015 Just found this on one of the auction sitesWhat a waste of a very nice coin Quote
SWANNY Posted November 16, 2015 Author Posted November 16, 2015 They are calling this a "Gaming Token" , is that right ? Quote
bagerap Posted November 17, 2015 Posted November 17, 2015 There are so many varieties of the Spade Guinea token that they are obviously collected. Some can be worth a few bob, if you know what you're doing.These'll help for a start.http://www.britnumsoc.org/publications/Digital%20BNJ/pdfs/1963_BNJ_32_15.pdfhttp://www.britnumsoc.org/publications/Digital%20BNJ/pdfs/1983_BNJ_53_11.pdf Quote
Nordle11 Posted November 17, 2015 Posted November 17, 2015 I didn't know any of these are worth something, thanks for the links bagerap! Quote
pokal02 Posted November 17, 2015 Posted November 17, 2015 Among 'what a waste' coins I've seen are enamelled 1853 and 1821 TERTIO edge crowns and a Richard groat (not sure whether 2nd or 3rd) cut in half for one of those penknife jobbies. Why don't those that mutilate coins stick to 1967 pennies! Quote
DaveG38 Posted November 17, 2015 Posted November 17, 2015 I too have seen some desirable coins enamelled - most interesting was a 1697 crown. I've always wondered if it's possible to remove the enamelling. Is it just paint that can be removed with paint stripper or is it heat blasted into the surface and hence permanent? Being a chemist, at least by education, I ought to know the answer, but it all depends on what was used for the coating. Quote
davidrj Posted November 17, 2015 Posted November 17, 2015 Traditional enamel is coloured glass, most modern ones are not enamel but acrylic resin Quote
TomGoodheart Posted November 17, 2015 Posted November 17, 2015 Gaming tokens appear to be quite often come ready pierced for suspension, so no great loss and an interesting piece of history. Quote
DaveG38 Posted November 17, 2015 Posted November 17, 2015 Traditional enamel is coloured glass, most modern ones are not enamel but acrylic resinSo its hydrofluoric acid to strip it off older coins then! 1 Quote
Bernie Posted November 17, 2015 Posted November 17, 2015 I believe Hydrofluoric acid can be extremely dangerous if contacted with your skin ! Quote
DaveG38 Posted November 17, 2015 Posted November 17, 2015 I believe Hydrofluoric acid can be extremely dangerous if contacted with your skin !Hydrofluoric is about as unpleasant as any of the 'standard' acids, like hydrochloric, nitric or sulphuric, so contact with the skin isn't recommended. However, it does have the valuable property of disssolving glass - hence its use in the production of frosted glass. Quote
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