The dipping was probably 50 years ago. The coin has retoned considerably, and it may not retone evenly. One side can be much more lustrous than another. In terms of judging a coin’s luster, pictures are extremely unreliable.
Can't believe AU50...or, maybe I can, given the sorry if not sordid state of all-too-subjective, limiting, and controlling TPG...my op.
I can think of a number of similar adjectives but I'm afraid I'd fill a couple or three pages before I ran out...
AU 55-58 that tiny bit of wear on the hair over the ear keeps it from MS... Beautiful coin! ( i voted 58 )