Probably not 100% accurate but with some interpretive guesswork this should be pretty close.
VL29: Plymouth Duster - Base/low level model G = 318 V8 2 = 1972 model year H = Plant = Hamtramck, MI, USA
Scott, since we're trying to help him decipher his codes properly, I need to correct you. As you know, "H" would be the 340 engine code. "B" as the 7th digit would be the plant code for Hamtramck, not "H".