Date looks like it was a minor re-punch. The rest of the doubling is what is known as "Longacre's Doubling" common on coins from this era, like Indian cents, it is believed it is caused by die erosion and burnishing of the die. There are a couple of posts here on CCF that go into it better than I can:
https://goccf.com/t/123829
https://goccf.com/t/108815
https://goccf.com/t/123829
https://goccf.com/t/108815
"Buy the Book Before You Buy the Coin" - Aaron R. Feldman - "And read it" - Me 2013!
ANA Life Member #3288 in good standing since 1981, ANS, Early American Coppers Member (EAC), Colonial Coin Collectors Club member (C4), Conder Token Collector Club member (CTCC), Civil War Token Society (CWTS) member, Liberty Seated Collectors Club (LSCC) & Numismatic Bibliomania Society member (NBS), USMex, Member in good standing, 2¢ variety collector.
See my want page: http://goccf.com/t/140440
ANA Life Member #3288 in good standing since 1981, ANS, Early American Coppers Member (EAC), Colonial Coin Collectors Club member (C4), Conder Token Collector Club member (CTCC), Civil War Token Society (CWTS) member, Liberty Seated Collectors Club (LSCC) & Numismatic Bibliomania Society member (NBS), USMex, Member in good standing, 2¢ variety collector.
See my want page: http://goccf.com/t/140440
























