Bidspirit auction | Postage. Belgium. Illustrated postcard sent

Postage. Belgium. Illustrated postcard sent from Antwerp on December 14, 1905, postage of 15 cents, postage on departure of 20 cents, to Porto on December 22. It has the Antwerp mark of ”Not admitted for mail,” as well as ”unknown,” both crossed out, and also the mark of ”Rejected,” dated December 18, to be sent to Porto, where no postage was charged. Unusual route.