I would look for other early (July '68) assembled '69 model year blocks & ask:

When did Chrysler start machining the VIN pad, or did this one just get missed?

IMO, looks like:
cast - 4*2*68 (Tuesday)

EAD: E 440 7 25 2
engine assembly date - 7 25 (68) 2nd shift (Thursday)

CH43K9C125209? - Jefferson Ave. 4-door hardtop New Yorker built latter half of September '68.