The Iowa City Old Capitol Coin Club's Annual Coin Show at The Riverside Casino and Resort. Riverside, IA Dec. 4th, 9am - 4pm over 50 dealers selling and displaying coins, currency, and other collectables Many raffles prizes. Free and open to the public The Iowa City Old Capitol Coin Club's Annual Coin Show at The Riverside Casino and Resort . Riverside , IA Dec. 4th , 9am - 4pm over 50 dealers selling and displaying coins , currency , and other collectables Many raffles prizes . Free and open to the public