Build date of July 1972 on a 1974 model year.

Here is a rundown of the tag:

M21 R11 V8W V9W Y16
V4W U A64 B41 G51 H51
KY4 D2Y 000 702 893490
E24 D34 VL29 C4G 273540

The only dead-ends I see are A64, G51, and V9W. The decoder I used says these are unknown so if anybody know more, let me know.

Thanks to 72blunblu as well.