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Quote: "rsirian1"To be honest, I don't know if two types of the 1953 were minted, one with the AFP mint mark and one without. Maybe another member knows. However, I'm sure that you don't have a new variant, just a post-mint plated one.I also don't know, I have neither of them. I only know both are in Krause, but that's also no guarantee both exist. And I also know, like Sjoelund already said, it's often very difficult to see, especially when the coin is a bit worn. You've already detected the OP's coin also has AFP on the truncation. Luckily, sometimes it's easier to see:
@alexandersp:
Let´s do some maths:
brass specific mass is 8520 to 8620,
silver is 10530
Brass coin weighs 1.85g, and is 1.2mm thick, I'm not sure if this measure is for thick or thin planchet
So, if it was brass thick planchet, thin should should weigh: 1.85g / 1.2 * 1.1 = 1.69g
taking heavier brass specific mass, silver planchet should weigh: 1.69g / 8620 * 10530 = 2.06g difference is noticeable, so there is no chance it is silver, even in a low fineness; copper specific mass is 8950, so even a .500 silver should be heavier than brass. Is possible it is plated; as said before, the plating is very thin, and would not add weight to coin, or also maybe it is plated with other metal; myself have plated brass coins with tin, and at sight is very similar to silver, maybe a bit darker.
About variant:
There is no notice on Krause of pattern or trial strikes of this coin, please note when a pattern is minted, usually is used the same planchet of the final coin, and when it is minted a off metal strike (trial strike), weight is different, and never are plated. Finally, being a so common coin, with 70 years old, if it were a variant, it should have been detected already, but there is no record on catalogs nor internet about a silverish variant.
Looking closely your picture, on the reverse it seems reverse edge as brass color, like when a coin is plated and the plating is worn on the higher areas, also seems to have the same wearing on the number and letters.
I bet it is just a plated coin.
About AFP / no AFP lines, I think we can have both, if my co-referee agrees with it.
Good morning,
It also appears to me that the coin is most likely plated and not a variant.
With regards to the AFP initials, I will add a yearline for 1953 no AFP.
Thank you all,
John
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