What does OMS mean?
1984worldcoins
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in Q & A Forum
So, what is the meaning of OMS on this coin? And why regular strike, since this is clearly NOT a regular strike? If it is not an error (since there is no mention of it), is it a pattern or trial, by using another metal? The normal strike is using brass. Maybe I could get an official response? Thank you.
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Off Metal Strike?
https://www.coincommunity.com/forum/pop_profile.asp?mode=display&id=102076
https://www.vamworld.com/forum/memberlist.php?mode=viewprofile&u=2220
https://boards.ngccoin.com/profile/61076-johnhenry9009/
https://www.mycollect.com/Jonhherny9009
Near OMS , on the image from the PCGS pages, it says regular strike, so I do not understand. Also, there is no explanation on the PCGS pages for OMS abreviation. And why is put up there and not lower, like it is the case for some other coins?
The (regular strike) could be that PCGS didn't find it to be a trail/pattern piece but why it says OMS and not mint error I have no clue.
https://www.coincommunity.com/forum/pop_profile.asp?mode=display&id=102076
https://www.vamworld.com/forum/memberlist.php?mode=viewprofile&u=2220
https://boards.ngccoin.com/profile/61076-johnhenry9009/
https://www.mycollect.com/Jonhherny9009
The "Struck on CuNi Planchet" text on the label would seem to be a major clue.
I assume they wouldn't add that if it represented the normal composition.
Here are 2 examples I found online, why is mine worded in another way?
And, here are two examples similar to yours.
Source: https://auctions.stacksbowers.com/lots/view/3-VAZ2J/mexico-mint-error-off-metal-strike-struck-on-silver-planchet-20-pesos-2019-mo-mexico-city-mint-pcgs-ms-63
Source: https://auctions.stacksbowers.com/lots/view/3-RP0UO/mexico-mint-error-off-metal-strike-on-aluminum-bronze-planchet-2-pesos-2019-mo-mexico-city-mint-pcgs-ms-65-gold-shield
Serious question, NOT snark - Is it possible that the PCGS 'approach/label format' has changed over time?
As an aside, in the OP you requested an official response from PCGS. If that is still the case, I suggest 'flagging' a PCGS staffer (e.g., PCGS_Hy).
I am guessing off-metal strike?
"Regular Strike" I presume mean it's a "business" strike, not proof or "specimen" or other special striking or finish. And it's not a mint error, because they were intentionally struck in a different medal.
I prefer calling them abschlags, probably a bad German pluralization.
Ed. S.
(EJS)