This is a lot of 2 mini-sheets of $5 stamps from Hong Kong.
They were released in 1998, for the closure of Kai Tak Airport and for the grand opening and inauguration of the new airport at Chek Lap Kok.
These are mint, never hinged, in perfect condition.
Hong Kong # 815 MINT NH S/S souvenir 1998 Closure of Kai Tak Airport 1936-1998.Features an old Bi-plane and runway.
Hong Kong /China Scott # 821a MINT NH S/S souvenir sheet 1998 New Airport Plane Train.