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

Sumatra. General Printings. 911v-28a, 25c Kreisler with violet manual T-overprint, cancelled Koetatjane 19.8.. Very rare, only a few copies recorded from Koetatjane (Atjeh). € 520

Sumatra. General Printings. 911v-47, 25c Van Konijnenburg with violet manual T-overprint, cancelled Koetatjane. Very rare, only a few copies recorded from Koetatjane (Atjeh). € 520

Sumatra. General Printings. 912z-56, 5 Gld Van Konijnenburg with black manual T-overprint, unused. € 120