10 penny postal stationery postcard with postmark \"Imperial German. P. A. CONSTANTINOPEL\" in blue colour, commercially used to Vienna, impeccable, rare, photo expertize Steuer BPP (VP8) Certificate (Image 1) (Image)

5 Groschen North German Postal District, impeccable, used, rare in this excellent condition, expertized Bothe BPP, Michel 800.- (NV18) (Image 1) (Image)

1 Groschen in the block of four on front of cover, tiny trace of crease, otherwise pristine and very decorative, Michel 400.-+plus (V19) (Image 1) (Image)

10 pennies in the pair on piece, impeccable, Michel 100.- (V33b) (Image 1) (Image)

20 pennies on sealed letter with blue cancellation \"Imperial German. P. A. CONSTANTINOPEL\" with circle, slight transport traces, blue cancellations are rare, expertized Zenker BPP, Michel / Steuer 800.- (V34a) (Image 1) (Image)

20 and 50 pennies on piece, used, Michel / Steuer 630.- (V34a,V38a) (Image 1) (Image)

25 pennies, cancelled \"KAIS. German. P. A. CONSTANTINOPEL *\" (with hollow star over date), a tooth reverse tiny light, otherwise pristine, extremely rare, slightly higher signed J+ñschke L. BPP, Michel / Steuer 3.600.- (V35a) (Image 1) (Image)

25 pennies and 5 penny together on piece, impeccable, expertized Bothe, Michel 270.- (V35a,V40) (Image 1) (Image)

50 pennies, used, impeccable, photo expertize Steuer BPP, Michel 280.- (V36a) Certificate (Image 1) (Image)

50 pennies with left and right double missing perforation holes, used, impeccable, see notes to DR Michel number 44, extremely rare, Michel as forerunner unknown! (V36aFZL) (Image 1) (Image)

2 Mark bright rose lilac, broadened format, slight perforation defects, photo expertize Michael J+ñschke Lantelme BPP, Michel at least 1.500.- (V37bD) Certificate (Image 1) (Image)

2 Mark medium rose lilac, used, faultless condition, attest Hoffmann Giesecke, Michel 500.- (V37c) Certificate (Image 1) (Image)

2 Mark \"indoor service\" in the vertical pair on parcel card section for two packages, upper stamp slightly creased, otherwise pristine, Michel 1.000.- (V37c) (Image 1) (Image)

2 Mark indoor service, on piece in outstanding quality, expertized J+ñschke L. BPP, Michel 500.- (V37c) (Image 1) (Image)

2 Mark bright gray purple, faultless letter piece, expertized Steuer BPP, Michel 500.- (V37d) (Image 1) (Image)

2 Mark indoor service, horizontal pair on money order coupon, impeccable, expertized Pauligk, Michel 200.- (V37e) (Image 1) (Image)

2 Mark reddish carmine, vertical pair, used, faultless condition, Michel 400.- (V37f) (Image 1) (Image)

2 Mark indoor service, vertical pair with rare cancellation \"JAFFA German post ** \", impeccable, photo expertize Dr. Steuer BPP, Michel / Steuer 1.200.- (V37f) Certificate (Image 1) (Image)

2 Mark \"indoor service\" in colour c, plate flaw II by Turkey so far unknown, slight colour splintering (the c-colour is very sensitive), otherwise pristine, Michel unknown! (V37cPFII) (Image 1) (Image)

2 Mark \"indoor service\", in mixed franking with 50 penny \"crown / eagle\" overprint 2 1/2 piastre in c-colour, faultless letter piece, expertized J+ñschke L. BPP, Michel / Steuer 250.- (V37e,10c) (Image 1) (Image)

2 Mark dark red crimson in mixed franking with 1 piastre on 20 penny crown / eagle together on parcel card section with cancellation \"CONSTANTINOPEL 1\" (starless), faultless condition, Michel / Steuer 1.000.- (V37e,8b) (Image 1) (Image)

50 penny on piece in outstanding quality, cancellation \"Imperial German. P. A. COSTANTINOPEL\", Michel 320.- (V44a) (Image 1) (Image)

50 penny gray green, used on faultless money order coupon (Steuer HB+100 % for postal form sections), Michel / Steuer 640.- (V44a) (Image 1) (Image)

Postal stationery 10 penny with cancellation \"KAIS. German. P. A. CONSTANTINOPEL\" without hollow star (defect 09-12 / 83), very rare, faultless commercially used item, Michel / Steuer 450.- (VP8) (Image 1) (Image)

Postal stationery 10 penny with blue cancellation \"Imperial German. P. A. CONSTANTINOPEL\", faultless commercially used item, rare, Michel / Steuer 500.- (VP8) (Image 1) (Image)

Postal stationery 10 penny \"crown / eagle\", answer part, cancellation \"CONSTANTINOPEL 1\", commercially used to Berlin, impeccable, Michel / Steuer 210.- (VP23A) (Image 1) (Image)

Postal stationery 10 penny \"crown / eagle\", answer part, cancellation \"CONSTANTINOPEL 1\". Commercially used to Opole, impeccable, Michel / Steuer 210.- (VP23A) (Image 1) (Image)

Arrival postmark \"imperial German post office No 1\", letter with 2 values 10 pennies from Leberau to Constantinopel, faultless condition, rare, study group 250.- (DR33b) (Image 1) (Image)

2 Mark \"indoor service\" along with 1 piastre on faultless parcel card section, expertized J+ñschke L. BPP, Michel 115,- plus (V37 e,8b) (Image 1) (Image)

Follower 10 penny \"crown / eagle\", two values properly franked on bank letter to Paris, transport traces, Michel 120.- (M47d) (Image 1) (Image)

Follower 20 penny \"crown / eagle\" with cancellation \"CONSTANTINOPEL 2\", impeccable, Michel / Steuer 120.- (M48d) (Image 1) (Image)