Netherlands Indies 1923 Bandung Annual Fair, 13th experimental return flight, ex Weltevreden, 12½c postal stationery envelope, by Dutch East Indies Army aircraft with pictorial 9 Aug.

Netherlands Indies 1923 Bandung Annual Fair, 10th Experimental return flight, ex Weltevreden, 12½c postal stationery envelope, by Dutch East Indies Army aircraft, with pictorial 6 Aug Weltevreden cancel & similar Bandung arrival cancel & boxed B25 Postmen's delivery b/s.

Netherlands Indies 1931 reg'd (folded) cover to Sydney, ex Tandjongpandan 22 April with block of 4 Java-Australia 1st flight stamps canc by pictorial Abel Tasman cds, with Batavia (26 April) & Sydney ? May arrival b/s. SG 320. Cat £130+ as used.

Netherland Indies 1933 KLM printed special New Year flight cover, per "Pelikaan", ex 26 Dec, Batavia with 30 Dec, Amsterdam arrival b/s.

Netherland Indies-Holland 1937 KLM illustrated cover, ex Djokjakarta 7 Oct, to Oestgeert with additional adhesives on rear, canc Leiden 16 October for return to Djokjakakarta & 26 Oct arrival b/s.