KLM house (10)

10 Delft Blue KLM houses (BOLS)
issued in the years 2013 - 2019
to passengers in the (KLM) Business Class on intercontinental flights.
The KLM houses are undamaged, perfectly sealed and filled

numbers:
21, 22, 24, 33, 43, 50, 54, 57, 68, 74

all the houses are filled
only of 3 houses (nos. 24, 33, 54) is the content evaporated.

KLM houses are always each packed separately in bubble wrap
and sent with PostNL and with track & trace.