I like it for the die crack (called a Spike Head). The date style for 1970 is of no significance unless it is an S-Mint.
The Spike Heads are catalogued on CudsOnCoins, and you may be able to find a match for yours here:
http://cuds-on-coins.com/lincoln-ce...s-1970-1979/If there's no match, you could possibly have it attributed and add a new listing to the site!
