Sumatra. Atjeh. Change of address card type Dancer with violet Atjeh star overprint Bu.23a (2 pinholes repaired), from Koetaradja 19.2.8 to Medan

Sumatra. East Coast. 10 Cent on 12½ cent postal stationery envelope with handstamped T overprint Bu.187 from Tandjongpoera 19.8.27 to Djatinegara (Java, pre-war name Meester Cornelis), possibly received or answered on 21 Sept

Sumatra. East Coast (a.o.). Three change of address cards with Dai Ni Hon overprint, one type Kreisler and two type Dancer, all unused but one with commemorative cachet 435v from Medan

SUMATRA. TAPANOELI. 25 GULDEN VAN KONIJNENBURG WITH RED HINOMARU OVERPRINT NO. 220r-58, UNUSED. A VERY RARE AND WONDERFUL STAMP. SIGNED BOEKEMA. CERT. ´VAN DIETEN, 2019´. € 2,500

Sumatra. Tapanoeli. 3½ Cent Moehammadijah with small red Hinomaru overprint no. 211r-62 on special Moehammadijah postcard (not disturbing vertical crease), from Batangtaro 30.7.42 via Palembang 17.8.2 to Djokjakarta

Sumatra. Tapanoeli. 3½ Cent postcard with red Hinomaru overprint Bu.136 written on 24/8-2602 in the small village of Singoempar, east of Balige, on 17.8.26 to the Singer Sewing Machine Company in Medan

SUMATRA. WEST COAST. MALAYAN STAMP OF 6 CENT WITH BLACK WEST COAST CROSS OVERPRINT AND BLACK DAI NI HON OVERPRINT NO. 870z/330z-M7, CANCELLED BOEKITTINGGI. ACCORDING TO NORMAN JACOBS THIS STAMP IS ONE HALF OF A UNIQUE PAIR. ILLUSTRATED IN THE DAI NIPPON CATALOGUE ON p.184. EXTREMELY RARE. CERT. ´VAN DIETEN, 2019´. € 1,500

Sumatra. West Coast. 10 Cent postcard type Kreisler with violet cross overprint Bu.147, unused

Sumatra. West Coast. 10 Cent on 12½ cent postal stationery envelope with black cross overprint Bu.148a from Padang 18.1.7 to a tax official in Kediri (Java), sealed with a brown censor label ´Soedah Diperiksa´ (Vr.504)

Sumatra. West Coast. Change of address card type Dancer with violet Dai Ni Hon Yubin overprint Bu.186, unused

Sumatra. Benkoelen. 2½ Cent Kreisler with black monogram overprint S of postmaster Soeleiman no. 381z-17b, cancelled Kepahiang 18.7.22.11. € 500

Sumatra. Benkoelen. 5 Cent Numeral with monogram overprint S of postmaster Soeleiman in black no. 381z-42, cancelled Kepahiang. Signed Boekema. Rare stamp! € 500

Sumatra. Benkoelen. 30 Cent Airmail with monogram overprint S of postmaster Soeleiman in black no. 381z-76, cancelled Benkoelen. Rare stamp! € 400

Sumatra. Benkoelen. 10 Cent van Konijnenburg with monogram overprint of postmaster Rosali in black, used locally in Liwa, no. 382z-43bk, unused. A very rare stamp! Cert. ´Van Dieten, 2019´. € 750

SUMATRA. BENKOELEN. 60 CENT VAN KONIJNENBURG WITH MONOGRAM OVERPRINT OF POSTMASTER ROSALI IN BLACK, USED LOCALLY IN LIWA, NO. 382z-52g, UNUSED. UNIQUE! CERT. ´VAN DIETEN, 2019´. € 1,500

Sumatra. Benkoelen. 40 Cent Kreisler with green pen cross overprint no. 391g-32b, on piece cancelled Tjoeroep 18.7.27. and backstamped Bintoehan. Signed Boekema