A total of just 12 of these coins were struck for experimental purposes and sent to a slot machine manufacturing company for testing. The whereabouts of only 6 of those 12 are known. However, the other 6 are still out there … somewhere ! As such, they are extremely rare today An example was sold at auction in 2013 for £30,000 C'mon you lot ... who has them ??? https://oldcurrencyexchange.com/201...uide-gb-ireland-brass-threepence-edward-viii/