You already ate my cake.

[Lysithea sighs and puts the Very Nice Rock on the counter. His fulsome praises went a long way towards her acceptance of... an actual rock.]

Let's call it a grand opening special. I think they have those. The question will be if I can get a vendor to take this rock in exchange for clothes, let's say.

[doubt]

But perhaps I don't fully appreciate this world's barter system. Would painting it purple be fraud?