Rare Australian 15p coin to fetch thousands at auction after it's found in Oxfam donation
![Rare Australian 15p coin to fetch thousands at auction after it's found in Oxfam donation](https://i2-prod.mirror.co.uk/incoming/article32030926.ece/ALTERNATES/s615/0_Rare-Aussie-coin-found-in-London-charity-shop-expected-to-fetch-thousands-at-auction.jpg)
The early 19th century 15 pence piece - known as a 'Dump' - was spotted by Oxfam volunteer and former banker John Turner as he went through a bag of donated coins