Java. 3½ Cent Kreisler on home-made postcard, written at Wonopringgo 13/7 2605, tied in blue (faint strike) by the extremely rare delivery house pmk WONOPRINGGO (vNV. not listed during the Japanese occupation, RRR during the Revolution period), via Kedoengwoeni 13.7.05 to Bandoeng. Since on 1 July the rate for postcards was increased to 5 cent, a T has been cancelled next to the stamp

Java. 5 Cent Dancer in pair on envelope from TANDJOENG- / SARI 22.2.03 to Bogor. Rare postmark (vNV.R), very rare on cover and most certainly in this quality!

Java. Change of address card type Globe from Bodjonegoro 15.2.0.5 to Soerabaja

Java. POW. 3½ Sen Kreisler postcard Bu.3b written on 10.5.03 by a husband in the Struijswijk camp (Batavia) to his wife in Djakarta, tied by a machine cancellation of Batavia-/Centrum 14.5.0.-3 and showing the censor mark Bu.JC51g, and 3½ sen Kreisler postcard Bu.J11 written on 28.11.03 and tied by cds Djakarta 2.12.03 from the same correspondence, now to his wife in the Tjideng camp, showing 3 censor marks Bu.51g in black and 2 red marks. The stamp imprint is scratched by something sharp which does not seem a coincidence but must have had an emotional reason

Sumatra. Definitive issue. 8 Imperforated colour proofs of the 2, 3, 4, 5, 10, 20, 30 and 40 cent as singles and in strips of four, nos. 02pc, 03pc, 05pc, 06pc, 07pca, 08pc, 09pc and 10pc

Sumatra. Definitive issue. 10 Colour proofs with hiragana overprint 'mihon' (= specimen) in red or violet nos. 03pdba, 03pdbb, 03pdbc, 04pdbb, 07pdba, 10pdba, 10pdbb, 11pdba and 11pdbb. € 900

Sumatra. Atjeh. Moehammadijah series with red Atjeh star overprint nos. 111r-61/65, unused. Signed Boekema. € 730

Sumatra. Atjeh. 1, 2 and 2½ cent Kreisler with wmk, 3 and 3½ cent without wmk, 5 cent Numeral, 3, 4, 5 and 7½ cent Dancer, all with framed Dai Ni Hon overprint in combination with Atjeh star nos. 821v/111v-15b, 821z/111v-16b, 821z/111v-17b, 821v/111v-18a, 821z/111v-19a, 821v/111v-42, 821r/121v-69, 821z/111r-71, 821v/111v-68 and 821v/111v-70, all cancelled except 7½ cent Dancer. Ca. € 550

Sumatra. East Coast. 25 Gulden Van Konijnenburg (corner perf missing) with black Dai Ni Hon overprint without frame on the country name, similar to type 811, unused. Unlisted, few other examples on other values are known

Sumatra. East Coast. 10 Cent Malaya/Pahang no. 211z-M11b on open large Singer cover sent as a document from Serbalawan 18.7.16 to Medan, backstamped by Singer 19 July. The postal rate for an inland document weighting 0-250 grams is 10 cent

Sumatra. Tapanoeli. Hinomaru overprint in fine type 211 and coarse type 221, in red, orange or purple on a nice selection of 34 mostly used stamps types Kreisler (amongst others no. 221p-22a unused), Van Konijnenburg (such as no. 221o-53k), Numeral and Dancer. Few are signed by Boekema. Ca. € 800

Sumatra. Tapanoeli. 10 Gulden Van Konijnenburg with red coarse Hinomaru overprint no. 221p-57, unused. Signed Boekema. A rare stamp! Cert. Van Dieten (2020). € 900

Sumatra. West Coast. 25 Gulden Van Konijnenburg with black cross overprint no. 332z-58, cancelled Padang. Signed Boekema. Cert. Van Dieten (2019). A wonderful stamp! € 500

Sumatra. West Coast. Violet or black cross overprint for the West Coast and Riouw in combination with violet or black small Dai Ni Hon Yubin overprint on 21 used or unused stamps, amongst others the 5 gulden Van Konijnenburg no. 870v/330z-56. Most signed Boekema

Sumatra. West Coast. 25 Gulden Van Konijnenburg with violet Dai Ni Hon Yubin overprint in combination with black cross overprint no. 870v/330z-58, unused with sheet margin. The black spot on the right is not a perf missing but part of a black cross overprint. A delightful stamp! Cert. Van Dieten (2019). € 900

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, used or unused, on 7 stamps. Signed Boekema