40% silver clad planchet -- Denver halves 1971 and 1977?

[StBarbara]

How do experienced CRH-ers tell if a half dollar is struck on a 40% silver clad planchet? Are they silver on the rim like the 1965-1970 half dollars? I have read that there are some Denver half dollars, in 1971 and 1977, which are unique in this way. A typical 1971 or 1977 half dollar weighs 11.34g, and the 40% silver clad planchet 1971 and 1977 halves weigh 11.50g; are you able to feel that difference in handling the individual coins?

 

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[Avago]

Sound test would help me for sure. But to answer your question yes, the rim would be silver like any other 40%. Anyone who says they can feel a difference of .16 grams by handling something would be lying. Or take it to a reputable LCS.

 

[Greastart]

Newb Question:

What does LCS mean? My guess is local coin shop

 

[Avago]

Yep, that's it. Just so you know, these errors are insanely rare... The chances of actually finding one are extremely slim. You're probably more likely to find a solid roll of walking liberties in a MWR.

 

[StBarbara]

Thanks for the replies!