Corvette promotional models

[RPOLS3]

Seems as though not many are as interested in these like they used to be?

As a youth I enjoyed buying and selling along with building a small collection and have about 25-30 years worth (mid 70's thorough 2000's) sitting in the basement and wouldn't mind getting rid of them to free up some shelf space but it seems from a quick e-bay and internet search they aren't bringing very much $$ these days.

Any feedback on these or places to sell that anyone knows?

Thanks