Nice one CD. I picked up one like this a few weeks ago in a #40 cabinet. I think mine is a Friday or Monday machine because the decal along the front of the bed isn't perfectly straight, it has the slightest bow to it right about below the accessory screw holes. According to this website-
http://www.singer301.com/limited/default.html mine is one of the special ones as the serial # is right in the middle of the first 10,000.
Cari