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SMS and PL designations of 1965-1967 Coinage

Started by coinman_23885,

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coinman_23885

coinman_23885

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NGC grades all U.S. regular issues as proof like whenever the coin warrants it. It is my understanding that the quality of the SMS coinage in 1965 was much poorer than in subsequent years. As such, exactly how does one distinguish between a business strike and SMS when a coin is borderline? How would you decipher this from a true PL business strike?

 

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dena

dena

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Thanks for your question. I consulted with David Lange, NGC Research Director on this one. He tells me the 1965 SMS coins ranged from semi PL to fully PL and can be a little deceptive, especially when toned. The safest distinction point is the smoothness of the fields from deliberate polishing of the dies. MS dies that were polished in the conventional manner just to remove flaws and signs of erosion typically will show irregular polishing lines not seen on SMS coins.

 

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