Coin Pouch has a tooltip to display the current value of all coins in the pouch
Coin values are all configurable, if you modify coin values you may also want to modify the coin recipes using a datapack or mod like KubeJs/Crafttweaker
Shows all coins and coin pouch (coin pouch works exactly like a bundle but ONLY for coins, also stores a max of 1 stack of each coin)
Coins each have a configurable value which is displayed, also shows the value of the stack