KLM Royal Dutch Airlines is marking the 103rd anniversary of its founding on October 7 with the creation and presentation of a new Delftware miniature house that is a tiny replica of a Dutch building in one of the destinations where it flies. This charming tradition provides a new addition to the dozens of miniatures that have become niche collectibles for fans of air travel and the famous Dutch porcelain.  Haven’t heard of this? Don’t take my word for it –...