On the Team Camaro site, member "Tom D 1967" indicates he has the POP for this VIN, and it was a pace car replica, delivered to Brown & Holter Motor Company, Cheney WA.
Link to the topic:
https://www.camaros.net/threads/in-search-of-owner-of-this-67-big-block-los-pace-car-124677l153780.494740/?post_id=1783457617#post-1783457617
Here is part of the plate.