Sumatra. Lampong. Dai Ni Hon Yuken overprint in black type 891z on 7 unused and 3 used stamps including 2 with red wax disk nos. 891z/621r-43II and 50. Some signed Boekema. Ca. € 150

Sumatra. Lampong. 3½ Cent postcard with black Dai Ni Hon Yuken Lampong two-line overprint Bu.101 (crease) written in Giesting on 24-5-2603 from Tandjong-/Karang 7.6.3 to Djakarta. Censor Bu.JC14c from Palembang and in red Bu.JC18a (Vr.202a, rare). Signed Boekema

Sumatra. Lampong. 3½ Cent postcard with black Dai Ni Hon Yuken Lampong two-line overprint re-valued by large black 2 Bu.109 with 2 cent Kreisler stamp with violet Dai Ni Hon Yuken Lampong two-line overprint adjacent, written in Margodadi on 1 Jan 2063 from Telokbetong -4.1.3 to Medan. Censor JC19c. Very rare postcard!

Sumatra. Lampong. 10 Cent on 12½ cent postal stationery envelope with black Dai Ni Hon Yuken Lampong two-line overprint in combination with red wax disk and circular mark LTT from postmaster Liem Tjeng Tjan (from Metro or Tandjongkarang), showing handwritten re-valuations of 5, lima sen and 10 sen, Bu.117b, unused

Sumatra. Banka & Billiton. Gunseibu In overprint type 711 in violet, red or orange on a selection of 62 unused (89a thin spot) and used stamps. No. 711v-22a (€ 120) is c.t.o. Medan 1947. Some signed Boekema

Sumatra. Banka & Billiton. 5 Gulden Van Konijnenburg with red Gunseibu In overprint no. 711r-56, cancelled Pangkal-/Pinang 20.12.42. Genuinely used a very rare stamp, however stamp has some rust spots. € 750

SUMATRA. BANKA & BILLITON. 25 GULDEN VAN KONIJNENBURG WITH VIOLET GUNSEIBU IN OVERPRINT NO. 711v-58, CANCELLED PANGKALPINANG 19.5.13 (vNV. TYPE 220). GENUINELY USED, AN EXTREMELY RARE STAMP AND A DESIRABLE ADDITION TO EVERY IMPORTANT COLLECTION OF THE JAPANESE OCCUPATION. CERT. ´VAN DIETEN, 2019´. € 2000 The strike of the postmark has been rather hard. As a result the paper was slightly damaged under the date 13 on the back of the stamp, however this does not have any influence on the rarity of the stamp

Sumatra. Banka & Billiton. 10 Cent postcard type Kreisler with reply-paid card attached and with violet Gunseibu In overprint Bu.37, unused (RRR). Only a few complete copies recorded and in wonderful condition! Cert. ´Van Dieten, 2019´

Sumatra. Banka & Billiton. 3½ Cent postcard with violet Gunseibu In overprint re-valued with large violet 2 and with 20 cent Kreisler with violet Gunseibu In overprint added, Bu.44 cancelled with violet large propaganda cachet One Year Pacific War 2602.12.8 (type see Vrijdag page 13-3 afb. 4) from Pangkalpinang to Syonan (= Singapore). Censor Bu.JC12b from Pangkalpinang. Rare card with probably unique cancellation, but with some rust spots

Sumatra. Banka & Billiton. 3½ Cent postcard with violet Gunseibu In overprint and violet Harga 3½ sen (= price 3½ cent) slightly traced with a purple pencil, Bu.46, locally sent Pangkal-/Pinang 14.10.42 (message: Slamat tahoen baroe = Happy New Year). Censor Bu.JC12b

Sumatra. Banka & Billiton. 3½ Cent postcard with reply-paid card attached and with red Gunseibu In overprint, re-valued with large violet 2, Bu.49, unused

Sumatra. Banka & Billiton. 7½ Cent letter sheet with violet Gunseibu In overprint, re-valued with violet large 5 and violet Harga 8 sen (= price 8 cent) Bu.46, within the island of Banka sent from Djeboes 19.4.29 to Blinjoe. Censor Bu.JC15 and on the back JC17 no. 22 from Pangkalpinang

Sumatra. General Printings. 2 Gulden type Kreisler with blackish violet handstamped T-overprint no. 911z-39b, used. Rare! € 450

Sumatra. General Printings. 2½ Gulden type Kreisler with black handstamped T-overprint no. 911z-40a, unused. € 200

Sumatra. General Printings. Handstamped T-overprint in several types in black on 30 unused or used stamps. Some signed Boekema. Ca. € 475

Sumatra. General Printings. 25 Gulden Van Konijnenburg with black handstamped T-overprint no. 912z-58, used. Signed Boekema. € 340