Those are roller lines, which are pretty common on cents from the late seventies and early eighties. Woodies are created when the alloy isn't mixed properly and ends up with tin/zinc-rich spots that get stretched out when the stock is rolled.
The marks in the third picture are PMD, yeah. The coin has a bit of a Rim Fin on the right side that's susceptible to damage.
The marks in the third picture are PMD, yeah. The coin has a bit of a Rim Fin on the right side that's susceptible to damage.






















