What happens when there is a tie? The NGC Registry ranks sets first according to the set's score. If two or more sets have the same score, the NGC Registry will break the tie by ranking the sets based on the percentage of NGC-certified coins in the set. If two or more sets have the same score and the same percentage of NGC-certified coins, then the tie will be broken based on the percentage of coins with images. If two or more sets have the same score, same percentage of NGC-certified co