Here's a link where the same question was discussed:
http://www.hotrodders.com/forum/vin-...vy-159166.html
For his, there was a body tag on the right cowl side and two holes above it, like there should have been another tag there (presumably the serial number). (Picture on link) The VIN on the title turned out to be the original engine serial number which is stamped into the block near the base of the distributor.