Send EUR via SEPA transfer to GB74RBOS16107510000470. (Yes, the page only mentions wire transfer, but SEPA transfers work too, are faster, and cost everyone less.)
Source: https://help.archive.org/help/how-do-i-make-a-wire-transfer/
Making a wire transfer is easy, but can it be deducted from taxes? That's the tricky part.
there would still be fees for a wire transfer from a EU bank to this bank in the US, right? And I wouldn't get a donation receipt that would be accepted by the tax man over here anyway.