I found a small envelope with this on the outside: 4 x 1979 1c. var.
Inside are 4 1979 pennies in 1 1/2 x 1 1/2 cardboard folders and they are labeled 1, 2, 3, & 4. Being a new collector I looked in the 2011 Charlton and there are no varieties listed. What are these exactly? Thanks
Larry