I just checked the auction site and found one like you're describing. Moss Green blade? I was temped by that one myself. I had a Moss Green RS and found the coating to be surprisingly low drag. I attribute that to the dimples in the coating....like a golf ball.
That's the first one I've seen with "SWAMP RAT."
USMC 1997-2002. 6173 CH-53D Sea Stallion Helicopter Crew Chief and Flightline Mechanic. Semper Fi!