In episode #11 It's a Whole New World! Of World Coins that is. We are learning about the world coin market from Heritage Auctions' own Roxana Uskali.

https://coins.ha.com/

Central States World & Ancients Coin Auction
May 5th-7th
https://coins.ha.com/c/search-results...

https://vegascoindealer.com/
https://coincosmo.com/