Sumatra. Tapanoeli. 10 Gulden Van Konijnenburg with red Hinomaru overprint no. 221p-57, unused. Signed Boekema. Rare stamp! Cert. ´Van Dieten, 2019´. € 900

Sumatra. Tapanoeli. Dai Ni Hon overprint type 811 in combination with Hinomaru overprint, unused nos. 811r/211r-15b, 16b, 811z/211p-19a (unlisted), 811r/211r-70 and used nos. 811z/211o-28b (unlisted, c.t.o.), 811z/221o-43II (unlisted), 811z/221p-48 (c.t.o.). Some signed Boekema

Sumatra. Tapanoeli. Dai Ni Hon overprint in frame on Japanese stamps nos. 821z-J4, 821v-J44, 821v-J10 (signed Boekema), 821r-J13 and 821v-J14, all used. € 308

Sumatra. Tapanoeli. Dai Ni Hon overprint in frame on Malayan stamps with Malayan overprint nos. M17/19, all used

Sumatra. West Coast. Large Dai Ni Hon Yubin overprint in violet or black in combination with violet or black cross overprint, used in the West Coast and Riouw, unused or used (50 cent used in the Republic), on 15 stamps (including 1 pair) type Van Konijnenburg. Signed Boekema

Sumatra. Tapanoeli. Handstamped T-overprint in combination with Hinomaru overprint on 3½ cent Kreisler no. 918z/221r-19a (signed Boekema), 25 cent Van Konijnenburg no. 912z/221p-47 and 2 gulden Van Konijnenburg no. 912z/221p-55g, all cancelled. € 410

Sumatra. Tapanoeli. Machine T-overprint in combination with Hinomaru overprint nos. 921z/211r-27b, 922z/211r-43bg, 922z/211r-47, 924z/221r-51k, 924z/211p-52g (transverse flag overprint, used), 924z/211p-52g (horizontal flag overprint), 924z/211o-53g and 924z/221p-54g (used). Some signed Boekema. Ca. € 200

Sumatra. Tapanoeli. Several types Dai Ni Hon overprints in different colours combined with several types of Hinomaru overprints in different colours on 28 different unused or used stamps (40 cent due no. 87b used in the Republic). Some signed Boekema

Sumatra. Tapanoeli. 3½ Cent postcard with black Dai Ni Hon overprint in frame and red Hinomaru overprint Bu.138 from Sipirok 18.1.30 to Medan. Censor Bu.JC12a

Sumatra. Tapanoeli. 7½ Cent letter sheet with Hinomaru overprint Bu.142 (2 pinholes repaired) from Kotanopan 18.7.27 to Medan. Censor Bu.JC14b

Sumatra. West Coast. Japanese stamp 2+1 sen to commemorate the fall of Singapore no. J56 in block of four, cancelled Padang 16.5.50. [€ 480]

Sumatra. West Coast. Cross overprints in mainly thick types in black or violet, used in the West Coast and Riouw, on type Van Konijnenburg, 28 unused and used stamps. Many signed Boekema

Sumatra. West Coast. Cross overprints in mainly thick types in black or violet, used in the West Coast and Riouw, on type Kreisler, 12 unused and 1 used (10 cent) stamps. Some signed Boekema

Sumatra. West Coast. 50 Cent Kreisler with black cross overprint no. 332z-34a. Unused, not listed. Signed Boekema

Sumatra. West Coast. Small or large Dai Ni Hon Yubin overprint in violet or black in combination with black standing (´Greek´) cross overprint of Pajakombo, unused or used, on 7 stamps. Signed Boekema

Sumatra. West Coast. 5 Gulden Kreisler with black cross overprint no. 332z-41b, cancelled Padang 18.12.14. Signed Boekema. € 90