Have a look at the sales (lower down the page) of say these:

https://www.larvalabs.com/cryptopunks lowest price available $386k(!)

or more detail on artblocks: https://www.nft-stats.com/collection/art-blocks average price $39k

or these: https://www.nft-stats.com/collection/boredapeyachtclub 90th percentile = $168k