1982 0

[Tridmn]

At what point did pennies go back from 2.5g to 3.11g?

[JKK]

LMGTFY.

[Tridmn]

1 hour ago, JKK said:

LMGTFY.

I ask because NGC says after 1982 they went from 3.11 to 2.5 g

[Coinbuf]

34 minutes ago, Tridmn said:

I ask because NGC says after 1982 they went from 3.11 to 2.5 g

During 1982, it was a transitional year with both types made that year.  So modern Lincoln collectors need both bronze and zinc cents for that year.  That is why you also see so many questions about small vs large date 1982 D cents here on the newbie section.