Can I return an item by post, even if I bought it in the store?

Yes, that is possible.

You can return the item to the address below, with a note with the text ‘RETURN’ with your name, address and your IBAN and BIC number. Also add (a copy of) the store receipt.

Ilovevintage.nl – Store & Office
Prinsengracht 201
1015DT Amsterdam
The Netherlands