I'm guessing 8ma882; The dash says between ~8ma810 and ~8ma956 (2 separate window switches started at ~810, toggle switches moved up at 956). But the combination of rear marker lights and MPH speedo, along with a 2 sheave pulley/no smog pump on the jackshaft matches the Provamo pictures for 882...even, the 'wrong' valve cover on the right side, the rotation of the coin tray seam to the front, no external mirror...and wow, 2 piece seats...the only disagreement is the turn signal stalk.
(I so badly wish that it could be possible to reach thru the internet and rotate that shift knob 180' or put the spare in the rear...but still, pretty sharp looking car).
Interesting also, that Provamo has a May 1969 letter from DeT attesting the price in USD and that 8ma882 was a hi-perf (305 hp) 289 engine (sold first to the son of the president of Mexico...).
). Yeah, I see what you mean by what looks like a bend on the driver rocker panel...