Yes, it is MD. Besides the flat shelf like "doubling" on the mintmark, also notice it onthe top of the 9 and very close to the same direction. Other areas of the date show it to a lesser extent. IMO. Jim
Here's a nice Coneca flyer that explains and shows the difference in doubling. http://hermes.csd.net/~coneca/content/StrikeDoublingFlyer-PDF.pdf