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

Sumatra. West Coast. 5 Gulden Van Konijnenburg with black cross overprint no. 332z-56, used. Signed Boekema. € 340

Sumatra. West Coast. 10 Gulden Van Konijnenburg with black cross overprint no. 332z-57, cancelled Padang 18.5.19. Signed Boekema. € 340

Sumatra. West Coast. 25 Gulden Van Konijnenburg with black cross overprint no. 332z-58, cancelled Padang. Signed Boekema. Cert. ´Van Dieten, 2019´. € 500

Sumatra. West Coast. Small Dai Ni Hon Yubin overprint in violet type 872 on 35 unused (nos. 17b and 21b with faults) and used stamps (postage dues series nos. 77a/88b all c.t.o. Padang). Some signed Boekema

Sumatra. West Coast. Large Dai Ni Hon Yubin overprint in black or violet, several types, including Dutch 12½ cent Van Konijnenburg no. 882z/882v-60 unused (not recorded, used € 80), mainly unused and some used, on 19 stamps. Some signed Boekema. Ca. € 300

Sumatra. West Coast. 12½ Cent Kreisler with black small Dai Ni Hon Yubin overprint in combination with black cross overprint no. 870z/330z-25a in used pair (left stamp with faults). Rare stamp! Signed Boekema. € 400 [+ € 400]