[pwinnski]

The first one sells for $20k. The second one doesn't sell at all.

[pharke]

I love this argument. It's the same thing that motivates people to write comments that say "First!", low effort but you got there faster.

[zentiggr]

The first one sells for $20k. The second one sells for $200k. The third one sets a worldwide auction record.

Just as plausible given the motives of art buyers.