When I see a post that says "doubling on almost everything," my first thought is always "almost certainly not." Most doubled dies involve either distended hubs or a rotated/pivoted hubbing, all of which produce by far the most evident doubling at the perimeter of the coin and in certain sectors of the perimeter in the case of a pivoted hub. The only type of doubling that would typically affect "basically everything" would be a class IV offset hub doubling (impossible on single squeeze dies like the ones made in 2009) or else a major class I doubled die (also impossible on single squeeze dies).
Edited by SamCoin
05/11/2021 1:19 pm