KLM started issuing miniature house bottles in 1952 to their customers made by Rynbende and then Henkes and taken over by Bols in the 1980's who then started providing these little house bottles to KLM Airlines. This decanter, #18 which represents a house built in 1569, with a stepped gable in Utrecht. This house was built next to castle Fresenburg. The number is incised on the bottom. It is 3-3/4 inches tall. Made between 1952 and mid 1960's. This decanter is empty. Excellent condition.
KLM started issuing miniature house bottles in 1952 to their customers. Rynbende Distilleries (Simon Rynbende & Sons) provided these bottles until around 1970. Later in the 1980's Bols provided these little house bottles to KLM.
I have many of these, so if you are looking for a particular one, feel free to contact me.