I see others have already asked this question (“I do not have a credit card, is there any other way to prove my age to eBay?”), but received little relevant response, with all manner of ‘real world’ suggestions (from joining porn sites, to showing your driving license!), none of which relate to the exclusive eBay setup.
I can only assume the answer to be ‘No’.
so much for living in an ‘inclusive’ world.