Sumatra. East Coast. 2 Cent Kreisler with black overprint Dai Ni Hon in wavy frame no. 831z-16b as a correct single franking on small printed matter envelope including business card in Indonesian and Japanese, censored and sent from Medan 18.6.30 to Pematangsiantar

Sumatra. East Coast. 5 Cent Numeral, one with black and one with violet overprint Dai Ni Hon nos. 811z-42 and 811v-42 on cover from Pangkalan-/Soesoe 17.1.2 to Medan, with censor Bu.JC12a and sewing machine censor

Sumatra. East Coast. 5 Cent Dancer with black overprint Dai Ni Hon in frame no. 821z-70, 2 copies on cover from Tebingtinggi Deli 18.7.-7 to Medan, with wavy censor Vr.312 from Tebingtinggi

Sumatra. East Coast. 7½ Cent Dancer with black Dai Ni Hon overprint no. 811z-71 in block of four on cover from Medan 18.10.11. registered to the 'Toean Ketoea dari Kantor Pos (Posmaster) di Kelantan, Malay' (Head of the Kelantan Post Office). The cover was sent to Syonan 10.22.2603, further to Ipoh 10.23.2603, back to Syonan 11.1.2603 and returned to Medan 18.11.13 (all backstamped), because there is 'No registration Service, Retour'. Most interesting item which shows something of the postal relationship between the occupied Netherlands East Indies and occupied Malaya. Although there was registered mail to the southern Malayan states, there was none to Kelantan and others which had been incorporated into Thailand. See: JR van Nieuwkerk, 'The Malayan Postal Administration...etc.' (2023). Postal historical information added

Sumatra. East Coast. 2½ Cent Kreisler and 7½ cent Dancer both with violet overprint Dai Ni Hon in straight frame nos. 821v-17b, 71 on insufficiently franked cover (two repaired pinholes) from Galang 19.4.24 to Medan, on 28/4-04 postage dues of 5 cent and 7½ cent in pair with black overprint Dai Ni Hon in wavy frame nos. 831z-80a, 81a, together 20 cent which is twice the letter tariff

Sumatra. East Coast. 30 Cent Van Konijnenburg with black machine T-overprint no. 922z-48 as a correct single franking on a cover from the Poestaka Islam (=Islamic Library) at Medan on 19.2.22. registered to Soerabaja 20.3.04. with censor mark from Palembang (Vr.301) and rare brown censor label (Vr.506) tied circular 20 (Bu.JC17) from Palembang on the back. Signed Boekema

Sumatra. East Coast. 10 Cent Malaya/Perak no. 211z-M11c, four copies on money order to transfer 72 roepiah from Laboehanbilik 19-1-22 to Tandjongbalei 19.1.26. The stamps are tied with the oval positive Kantor Pos postmark of Laboehanbilik (vNV.090, with comment 'Reported, not seen') with written date. Might be a unique cancel!

Sumatra. East Coast. 5 Cent Numeral with red overprint Dai Ni Hon in frame with irregular waving no. 832r-42 on complete money order to transfer 4.55 roepiah from Prapat 19.1.31 to Tebingtinggideli 19.2.-4

Sumatra. East Coast. 50 Cent Van Konijnenburg with machine T-overprint no. 924z-51k, 4 copies on complete money order to transfer 1000 roepiah from Rantauprapat 19.3.24 to Pematangsiantar 19.3.26

Sumatra. East Coast. 10 Cent Malaya/Perak no. 211z-M11c and 30 cent Malaya/Negri Sembilan no. 211z-M16 on complete light bluish inland parcel post card with black overprint Dai Ni Hon in frame, for shipping a package weighting 0.75 kg from Medan 18.4.22 to Padang 18.5.1 (backstamped pmk vNV.050), and 80 Cent Van Konijnenburg with machine T-overprint no. 924z-53g on a similar parcel post card with black overprint Dai Ni Hon in wavy frame, for shipping a package weighting 4 kg from Medan 19.5.9 to Solok 19.5.15

Sumatra. East Coast. 3½ Cent postcard type Kreisler in offset printing without overprint, from Medan 17.10.-6. to Mie, Japan

Sumatra. East Coast. Three 3½ cent Kreisler postcards Bu.S11 (issued for Java and Sumatra) from the Wingfoot estate at Pangkatan 20.8.5 to an ‘Orang netral Danmarku’ (Danish neutral person) in Tandjongpoera, from Medan 20.7.16 to Padang, and locally sent Medan 19.3.18(?)

Sumatra. East Coast. 3½ Cent postcard, offset printing, with black overprint small Dai Ni Hon without frame Bu.156a from Medan 18.1.25 to Bandoeng

Sumatra. East Coast. 3½ Cent postcard, offset printing, with violet overprint Dai Ni Hon in straight frame Bu.164b from Kisaran 18.2.18 to Pematangsiantar

Sumatra. East Coast. 3½ Cent postcard, offset printing, with red overprint Dai Ni Hon in straight frame Bu.164d from Tandjongbalei 18.7.-3 to Limapoeloeh, censor Bu.JC14 from Tandjongbalei in greenish blue

Sumatra. East Coast. 3½ Cent postcard, offset printing, with red overprint Dai Ni Hon in straight frame Bu.164d from Pematangsiantar 18.8.19 to Medan, censor Bu.JC14 from Pematangsiantar in the same colour red