The engine in my 69 camaro has the stamping of
To the best of my knowledge, it is a Flint Michigan Engine. Built on December 6th.
The suffix code of MA was for a 327 with a manual transmission and had 210 hp.
If this is your engine I would love to reunite it with its original car. If this is a date correct engine for you and you have or can get your hands on a 69 350. I would definitely try to work some kind of swap or trade.