Bols young genever:
Since the fifties, KLM Business Class passengers receive a little Delft Blue house as a gift. These designs of old Dutch houses are based on famous buildings and monuments in the Netherlands. Each year Bols and KLM bring out at least 1 new house. There are now 88. First they were filled with Bols liqueur, since 1986 with Bols young genever. There are keen collectors of these houses all over the world.They currently have 90 different ones, here's a nearly complete collection and more info. I got these two last weekend on a quick trip to Amsterdam, where I managed to sustain myself almost entirey on döner, mmmmm. I thought they made a neat little parting gift.