Sumatra. Benkoelen. Malayan stamp M3, 2c orange with red overprint, with black Dai Ni Hon overprint type 841z for Benkoelen, fine unused mint. Not recorded

Sumatra. Djambi. Postage dues 85a in pair and 88b in strip of three, all without overprint, nicely tied by Djambi 28.2.4 (type 050), on Telegraphic Money Order Account

Sumatra. Palembang. 522v/522o-16b, 2c Kreisler in pair with both violet and orange IPL signet ring overprint, cancelled Palembang 31.3.3.13. According to Vrijdag in order to find the right ink various colours were tried, and in this case the violet overprint is hard to see on the violet background, and the stamps were thus also overprinted in orange. Only two pairs are recorded, this one and a pair in the Museum for Communications. € 300

Sumatra. Palembang. 522o-56, 5 Gld Van Konijnenburg with orange IPL signet ring overprint, unused. € 325

Sumatra. Palembang. 522z-56, 5 Gld Van Konijnenburg with black IPL signet ring overprint, mint. Unlisted

Sumatra. Palembang. 547z-44, 15c Van Konijnenburg in pair showing the full straight-line overprint TANDJONGRADJA, used to validate stamps, unused. Much rarer than the cat value suggests. € 300++

Sumatra. Palembang. 547z-64, 10c Moehammadijah in pair showing the full straight-line overprint TANDJONGRADJA, used to validate stamps, on M.O. fragment cancelled Kajoeagoeng 20.6.2.12. Very rare and only two pairs recorded. € 600++

Sumatra. Palembang. 571z-41b, 5 Gld Kreisler with blackviolet small IPL signet ring overprint, unused. Very rare! € 500

Sumatra. Palembang. 824z-58, 25 Gld Van Konijnenburg with black Dai Ni Hon in frame, unused very fine copy. € 550

Sumatra. Palembang. 524v-58, 25 Gld Van Konijnenburg with violet framed Dai Ni Hon overprint, cancelled Palembang 19.3.17. Rarely seen used. € 600

Sumatra. Palembang. 3½c Postcard (crease) with large IPL-overprint Bu.59 (RRR) written in Pladjoe, from Palembang 17.5.3.10 to Bandoeng. Censor Bu.JC14c. The only copy recorded!

Sumatra. Palembang. 7½ Cent letter sheet with reddish-violet framed Dai Ni Hon overprint similar to Bu.167B, unused

Sumatra. Lampong. 20c Kreisler with machine T-overprint no. 92z-27b on censored complete M.O. Bu.JF1a showing Lampong overprint 61z from Soekadana 19.6.28 (type 220) via the trans communication office of Palembang 19.7.8 to Serang, Java, 24.7.04

Sumatra. Lampong. 10 Cent definitive no. 007 on M.O. Bu.JF1a showing Lampong overprint 61z from Goenoengsoegih 20.4.9 to Soekadana 20.4.17. Censor Bu.13b

Sumatra. Banka & Billiton. Two M.O.´s Bu.JF1a showing each a red overprint 711r, one bearing J10 from Tandjongpandan 20.5.5 to Pangkal-/Pinang 20.5.14, the other bearing def. issue 40c and 1R from Pangkal-/Pinang 20.4.23 to Batoeroesa 20.4.24

Sumatra. General Printings. 911z-24b, 10c Kreisler (2x) with manual T-overprint, used on 19.5.20. € 280