What Prop?

[jorgeinmiami]

I have a 3 blade SS prop that the Po gave me with the engine (also 2 other aluminum props) On the SS one it has the following stamped on it

17-M and D094D

i imagine the 17 is a 17" pitch? but the rest is???

What would be the "best prop/size to run with
20MA with a 150 Black Max late 80's