Thomas Himmel from Växjö, Sweden bought the “1 Dollar Painting” a while ago. After I reached out to him to ask to which charity the money should go to, he chose to donate the one dollar (at the time he bought the painting around SEK 7) to Green Peace. Since it wasn’t possible to donate one dollar only, I rounded the amount up a little and donated USD 5 instead.
Here is the email receipt that I received after doing the donation.
Payment confirmation page on Green Peace’ website