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

Sumatra. East Coast. 7½ Cent censored letter sheet with black overprint Dai Ni Hon in straight frame Bu.167a from Kisaran 18.9.3 to Pematangsiantar

Sumatra. East Coast. 10 Cent on 12½ cent postal stationery envelope with handstamped T-overprint Bu.187 with additional 5 and 15 cent to make up the registration fee, showing censor label and cachets, from Medan 19.8.19 to Padang 19.8.23. Genuinely used is rare!

Sumatra. Tapanoeli. 5 Cent Numeral with black and violet overprint Dai Ni Hon in straight frame in combination with orange Hinomaru overprint no. 821z+v/221o, cancelled Penjaboengan

Sumatra. Tapanoeli. 10 Cent Van Konijnenburg with purple coarse Hinomaru overprint no. 221p-43II on money order to transfer 16.75 roepiah from Porsea 19.4.21 to Balige 19.4.27. Extremely rare large censor mark in frame Bu.JC19a, Vr.206, known from Siboga and Taroetoeng, in this case from Porsea

Sumatra. Tapanoeli. 10 Cent Van Konijnenburg with purple coarse Hinomaru overprint no. 221p-43II on money order to transfer 4.90 roepiah from Taroetoeng 19.9.12 to Batangtaro 19.9.16. Written with pencil 'diperangkoe sipengirim' (= on the sender's postage)