This month Iszi talks to curator Thomas Hockenhull all about the free exhibition the currency of communism. She finds out why shells are hard to forge, how communist states purposely made their currency feel worthless and even uses Thomas' crystal ball to look at the future of money.

The Currency of communism will run until 18 March 2018. research and acquisition for the exhibition have been made possible with Art Fund support.

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The British Museum Membercast is a monthly podcast made available to 'all studious and curious persons'. Comedian, podcaster and super-fan Iszi Lawrence (The Z List Dead List) presents snippets from exclusive Members' lectures at the Museum, artfully woven together with interviews and her own musings.

Please share your comments and feedback about the podcast! You can talk to us on Twitter @britishmuseum using the hashtag #membercast or email [email protected]