Sumatra. Palembang. Signet ring overprint IPL of postmaster I.P. Lengkong in violet on 1 and 3½ cent Kreisler, and 10 and 80 cent Van Konijnenburg nos. 522v-15b (signed Boekema), 19a (brown spot), 43bg and 53k, all unused. € 250

Sumatra. Palembang. Signet ring overprint IPL of postmaster I.P. Lengkong in orange on 30 cent Kreisler, printed in fugitive ink, no. 522o-29a, cancelled. The only copy known! € 400+

Sumatra. Palembang. Signet ring overprint IPL of postmaster I.P. Lengkong in orange on 15 cent Kreisler, 5 and 7½ cent Dancer, 15 and 50 cent and 1 gulden Van Konijnenburg and Airmail nos. 522o-26b, 44, 51k (signed Boekema), 54k, 70, 71 and 76, all unused. € 510

Sumatra. Palembang. Signet ring overprint IPL of postmaster I.P. Lengkong in blue on 17½ and 30 cent Van Konijnenburg nos. 522b-45 and 48, unused. Signed Boekema. € 280

Sumatra. Palembang. Signet ring overprint BST of postmaster Boestam in black, used locally in Sekajoe no. 523z on a nice selection of 20 different unused stamps (incl. 1 pair) type Kreisler, Numeral and Dancer, some signed Boekema. Cat. € 460

Sumatra. Palembang. Signet ring overprint BST of postmaster Boestam in black in combination with violet IPL overprint, on 5 cent Numeral and 5, 7½ and 15 cent postage due nos. 523z/571v-42, 80a, 81a and 83b (on piece together with 561z-77a 2x and 77a), all used. € 665

Sumatra. Palembang. Signet ring overprint BST of postmaster Boestam in black, used locally in Sekajoe no. 523z on a nice selection of 16 different unused stamps (incl. 1 pair) type Van Konijnenburg and postage dues, some signed Boekema. Cat. ca. € 630

Sumatra. Palembang. 2½ Cent Dancer, 17½ cent and 1 gulden Van Konijnenburg all with black signet ring overprint BST of postmaster Boestam nos. 523z-45, 523z-54k and 523z-67 on piece of parcel post card, cancelled Sekajoe 4.8.2.11. Illustrated in DN catalogue on p.250. Ex Van Strieland. Signed Boekema. € 650+

Sumatra. Palembang. Signet ring overprint Z of postmaster Zakaria in black on 40 cent Kreisler, 10 and 30 cent and 1 gulden Van Konijnenburg nos. 524z-32b (toned), 43bk (signed Boekema), 48 and 54k, all unused. € 345

Sumatra. Palembang. Signet ring overprint Z of postmaster Zakaria in violet on 20 and 25 cent Kreisler nos. 524v-27b and 28a, unused. € 300

Sumatra. Palembang. Signet ring overprint Z of postmaster Zakaria in violet on 5 cent Numeral no. 524v-42, cancelled Tandjoeng-/Enim. Rare stamp! € 400

Sumatra. Palembang. Signet ring overprint Z of postmaster Zakaria in violet on 15, 17½, 50, 60 and 80 cent and 2 gulden Van Konijnenburg nos. 44 (signed Boekema), 45, 51k, 52k, 53k and 55g (minimal scratch), all unused. € 1,075

Sumatra. Palembang. Signet ring overprint Z of postmaster Zakaria in black in combination with violet IPL overprint on 4 cent Kreisler no. 524z/571v-20b, unused. Rare stamp! € 500

SUMATRA. PALEMBANG. 5 CENT NUMERAL WITH BLACK SIGNET RING OVERPRINT RP OF POSTMASTER ROEWAN PANDJANG NO. 525z-42, LOCALLY USED IN PENDOPO, THIS COPY UNUSED WITHOUT GUM. ILLUSTRATED IN DAI NIPPON CATALOGUE ON p.252. EXTREMELY RARE STAMP! CERT. ´VAN DIETEN, 2019´. € 2,000

Sumatra. Palembang. Monogram overprint MSL of postmaster Mas Slamet in black, used locally in Batoeradja, on 35 cent Kreisler, 10 and 17½ cent and 1 gulden Van Konijnenburg nos. 531z-31b, 43bg (signed Boekema), 45 and 54k, all unused. € 370

Sumatra. Palembang. Monogram overprint MSL of postmaster Mas Slamet in red, used locally in Batoeradja, on 3½, 25 and 40 cent Kreisler, 15 cent Van Konijnenburg and 1 gulden postage due nos. 531r-19a, 28a, 32b, 44 and 88b, all unused, 15 and 40 cent signed Boekema. € 430