Easily, and he still might, very collectible is CS9.
It is always the same though, the lesser collected teams like the Titans do struggle with $$ values, even a player as good as Bird was.
It is nice to see some teams, based on their on field results surge in popularity, the Dogs are one example at the moment.
In 2019, Canberra cards went nuts, have cooled off somewhat but much harder to get than they ever were.