Sumatra. General Printings. Handstamped T-overprint on 15 cent Kreisler no. 911z-26b, 4 copies put together as a block of which one stamp the overprint is applied over a surface damage, and 20 cent no. 911z-27b in block of nine, cancelled Medan

Sumatra. General Printings. Handstamped T-overprint on 15, 20, 25, 30, 35, 40 and 50 cent (single and block) and 5 gulden Kreisler nos. 911z-26b, 27b, 28b, 29b, 31b, 32b, 34a (5x) and 41b, all used

Sumatra. General Printings. 15 Cent Van Konijnenburg with violet handstamped T-overprint no. 912v-44 in pair (left stamp corner perf missing), cancelled Koetatjane 19.8.19. The only pair of this rare stamp recorded. Cert. Van Dieten (2019)

Sumatra. General Printings. 10 Cent Van Konijnenburg with inverted handstamped T-overprint no. 912z-43bg, unused

South Celebes. Selection of black and a few violet Makasser anchor overprints in several types 100 on 15 different stamps type Van Konijnenburg, used (6x of which the 1 gulden in Balikpapan) and unused (9x), some signed Boekema

South Celebes. 5 Gulden Van Konijnenburg with black Makasser overprint no. 117z-56, unused with sheet margin

South Celebes. 25 Gulden Van Konijnenburg with black Makasser anchor overprint no. 111z-58, unused. Wonderful stamp! Cert. Van Dieten (2019)

South Celebes. Telegraphic money order overprints in red on 2½ cent Kreisler no. 131r/110z-17bb unused, 5 cent Numeral no. 131r/110z-42 unused and two vertical pairs genuinely used on Borneo and cancelled Bandjermasin 20.3.-4.9.

Celebes. 10 Cent Van Konijnenburg with Makasser anchor overprint no. 114z-43bg on complete censored M.O. from Kendari (Teikoku Seifu postmark) showing written date 20/3-29, via Makasser 20.5.21 to Kendal (Java) 25.6.05

Celebes. 10 Cent Van Konijnenburg with very faint black Makasser anchor overprint no. 100z-43bg on censored M.O. from Kolaka (Teikoku Seifu postmark) to Watampone 20.2.19

North Celebes. 1 Gulden Van Konijnenburg with large orange disk with black bar in combination with black Menado anchor overprint no. 161o/150z-54g as a single franking on a censored money order from Kwandang 19.4.21 to Menado 19.5.8

Celebes. Unused postcards of 3½ sen type Hinomaru, Bu.249b (fine), and overprinted Japanese horse and rider, Bu.250 (very fine)

South and East Borneo. Emergency issue for Bandjermasin nos. 02/03, unused

Borneo. 10 Cent Van Konijnenburg with blackish violet Bandjermasin anchor overprint no. 210v-43bg on complete M.O. from Tarakan type Kantor Pos (vNV.332) with seperate date stamp 14 jun 1943 to Modjokerto (Java) 10.8.03

Borneo. 10 Cent Van Konijnenburg with violet Bandjermasin anchor overprint no. 211v-43bg on censored M.O. from Martapoera with written date 18.9.2 (vNV.034) via Bandjermasin 18.9.3 (lilac pmk) to Madioen (Java) 2.11.03

West Borneo. 25 Gulden Van Konijnenburg with violet large Pontianak anchor overprint no. 411v-58, unused with sheet margin. Wonderful stamp! Cert. Van Dieten (2020)