The solution to many problems, flipping a coin!
For those who care about this sort of thing, this was taken in a single exposure using a flash (in this case a Nikon SB-800) in stroboscopic mode. Camera on a tripod, 1s exposure, pointed at a black background. Flash was off to camera left, connected to a radio trigger. When the shutter was open, I threw the coin and pressed the button on my flash trigger, which triggered the flash to fire at 20 flashes per second, capturing the motion of the quarter.
This is awesome. Thanks for explaining how you did it, because that was going to be my first questions.
Very cool shot! Nicely done!
How many degrees left?