Marked 502 Mercury Quicksilver, 3 blade, bronze, not cupped, 14 splines.  Unknown diameter and pitch.  Looks to be reconditioned, used.  Came in on a MK50.  Mk50 and early MK55's had a 14 spline prop...

Michigan 2 blade, brass/bronze, 12.125" diameter, 21 pitch, cupped, 15 splines, right hand rotation, reconditioned.  Think in-line 6 Merc.

3 Blade, aluminum, 19 pitch, not cupped, 15 splines, right hand rotation, reconditioned.  Reay to go, unknown application.

48-30391A  Propeller, Mercury  Merc 800.  2-blade, bronze, 13 3/4" diameter, 15" pitch, not cupped, left hand rotation.  Some roughness on blade edges, 3 dings on edges.

AM282  586W  Propeller, Michigan KF9 KG9 MK40.  3-blade, bronze, heavily cupped, .8125 bore ID, left hand rotation, 1/4" shear pin size.  Excellent shape.