I think it got rolled on to another coin, I can see an L in the left side of jacket, the long P in the nose, a double mouth, and the M in Unum is a little lazy followed by a 2,5 or s...just for starter's...and I'm guessing - it's me, loll!
Coins aren't rolled. They are pressed. Circulation wear. Here is a simple video that explains the minting process.
Oh thank you, hadn't seen this one just the one for dummies. But your concern is noted I do actually know that they are pressed this one just looked like it rolled on to another during its journey of life.