Proof coins can unequivocally have die polishing lines. Many proof patterns exhibit them, as do some other proofs of circulating designs. That issue aside, the pictured coin is NOT a proof . . . it is a cop out.
Really??? I don’t know what to do next? Send it as is back to NGC? Send it to PCGS? Crack it and send to PCGS?
Nope. I acetoned the lacquer off myself. Wondering now if they had done it if I may have a different result...
I would not do anything but keep it in the present NGC holder. That is just me, though. There are definitely 1873 proof half dimes with heavy die polish. There is one that is a Proof 66 CAM that was graded by PCGS. I thought it had been dipped. It wasn't a comparable to the Eliasberg piece, but still. I saw it in 2010 or so, in hand. I think the one that Mark sold, a proof 64, also had polish lines, iirc. Maybe Tom B. can weigh in. I hope this helps you in some manner in your decision process. The point being, I would not worry about the polish lines. Again, though, that is just me.
Without submitting, it would be conjecture. I would not personally make a guess from a photo, but I never do, so I got nuttin".
I don't know about that, especially being a cop out. Then again, you are most likely comfortable with deciding from a photo. I can't, so I don't.
I would send to PCGS for crossover and note your thoughts. Perhaps it would give them some satisfaction to find that it is a PL business strike in an NGC proof holder, worst case scenario it stays in the NGC holder but I’d say the upside of a pop. 1 PL is worth the attempt.
For those of us who are not experts, can we define what EXACTLY is "die polish" ? Is it a "look" that dies take on once they are polished to strike with the proof look ? I thought that Proof Dies were not regular dies that were just new and/or "polished" but special dies...is this wrong ? If Proof Dies aren't a separate set of dies, if they are just regular business strike dies that get polished to keep them "fresh"....then in theory the first couple of hundred business strikes (when the dies are fresh/new) would be "proofs" or at least "proof-like." Right ? Wrong ?
I don't know enough about this issue to make even an informed comment, but find the discussion interesting.
Is that true ? I know a Proof of the same coin type is more likely to show hairlines but is the surfaces ability to show the marks taken into account or not ?
I am not sure I understand the question, but assuming it means if the "surface" of the planchet and the die are as prepared by the Mint to produce the coin, then it original, and is as struck. Yes, it may be a weak strike, or there may be a visible amount of die polish lines, but the coin is still as struck. I don't think you mean hairlines post mint, but if you did mean that, then it is an entirely different issue. In either situation, we pay our money and take our chances. In the end, it is an opinion by the TPG.