Subject: KLM's blue Delft houses
Hi, Candice,

About the blue/white porcelain Dutch (blue Delft) houses, in 1998 KLM was still giving them out to those in business class. As you can perhaps guess, we got them filled with Bols liqueur (Dutch genever) on the Toronto-Amsterdam legs but they were empty between Amsterdam and Dhahran.

Here's an interesting history:

And they appear to be collectors items too:

Cheers, Pat Alberta, Canada