Administrator Ali E. Posted September 27, 2019 Administrator Share Posted September 27, 2019 Here are directions on how to swap coins in your NGC Registry set. (These are coins you have previously added to your inventory.) Log in to your account on NGCcoin.com. Click on My NGC Registry. Click on My Competitive Sets. Click on the Set Name you wish to edit. Click on the slot name in question. Click on the green plus sign to Add/Remove a coin. Link to comment Share on other sites More sharing options...