Sumatra. Benkoelen. 5 Cent Numeral with monogram overprint S of postmaster Soeleiman in black no. 381z-42, cancelled Kepahiang. Signed Boekema. Rare stamp! € 500

Sumatra. Benkoelen. 30 Cent Airmail with monogram overprint S of postmaster Soeleiman in black no. 381z-76, cancelled Benkoelen. Rare stamp! € 400

Sumatra. Benkoelen. 10 Cent van Konijnenburg with monogram overprint of postmaster Rosali in black, used locally in Liwa, no. 382z-43bk, unused. A very rare stamp! Cert. ´Van Dieten, 2019´. € 750

SUMATRA. BENKOELEN. 60 CENT VAN KONIJNENBURG WITH MONOGRAM OVERPRINT OF POSTMASTER ROSALI IN BLACK, USED LOCALLY IN LIWA, NO. 382z-52g, UNUSED. UNIQUE! CERT. ´VAN DIETEN, 2019´. € 1,500

Sumatra. Benkoelen. 40 Cent Kreisler with green pen cross overprint no. 391g-32b, on piece cancelled Tjoeroep 18.7.27. and backstamped Bintoehan. Signed Boekema

Sumatra. Benkoelen. Cross overprints in black on Kreisler (3x) and Van Konijnenburg (2x) nos. 393z-27b, 393z-32b, 394z-27b, 394z-43bk and 394z-54g, all cancelled Benkoelen or Tjoeroep. € 218

Sumatra. Benkoelen. 20 Cent Kreisler with black Star of David overprint no. 398z-27b on piece, cancelled Benkoelen. Signed Boekema. € 250

Sumatra. Benkoelen. 10 Cent van Konijnenburg with black Star of David overprint no. 398z-43bk, cancelled Benkoelen. Signed Boekema. € 150

Sumatra. Benkoelen. 30 Cent van Konijnenburg with black Star of David overprint no. 398z-48, cancelled Benkoelen. € 300

Sumatra. Benkoelen. 40 Cent Kreisler with combination of black Star of David overprint and cross overprint no. 398z/392z-32b, cancelled. A rare stamp! € 350

Sumatra. Benkoelen. 50 Cent Kreisler with violet large overprint Dai Ni Hon in straight frame no. 841v-34a, cancelled Lebongtandai. € 250

Sumatra. Benkoelen. 10 Gulden van Konijnenburg with black large overprint Dai Ni Hon in straight frame no. 841z-57, cancelled. A rare stamp in wonderful condition! € 300

Sumatra. Benkoelen. 30 Cent Airmail with black large overprint Dai Ni Hon in straight frame no. 841z-76, cancelled. Signed Boekema. € 135

Sumatra. Benkoelen. Selection of 36 different used and unused stamps (incl. 2 pairs) all with black and some violet large overprint Dai Ni Hon in straight frame nos. 841z and 841v, some signed Boekema. Cat. over € 1,075 (3 stamps with faults not counted)

Sumatra. Benkoelen. 30 Cent and 60 cent Kreisler with combination of black large overprint Dai Ni Hon in straight frame and black respectively green pen cross overprint nos. 841z/391z-29a and 841z/391g-35b, both cancelled. The 30 cent € 120, the 60 cent not listed

Sumatra. Benkoelen. 10 Cent, 17½ cent, 60 cent and 80 cent van Konijnenburg all four with combination of black large overprint Dai Ni Hon in straight frame and black pen cross overprint nos. 841z/391z-43bk, 45, 52k and 53k, cancelled but the 60 cent unused (not listed as unused). Ca. € 370