The Belgian post office released 538,000 stamps on Monday that have pictures of chocolate on the front but the essence of cacao oil in the glue at the back for taste and in the ink for smell.
Belgian stamp collector Marie-Claire Verstichel said while the taste was a bit disappointing, "they smell good."
Michelle Broder Van Dyke is a breaking news reporter for BuzzFeed News and is based in Honolulu.
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