1923 AD., Germany, Weimar Republic, Reichsbank, Berlin, 1st issue, 100000 Mark, printer C. G. Naumann GmbH, Leipzig, Pick 83a/2. 20 N·039681 Obverse

State: Germany, Weimar Republic
Issuer: Reichsbank
Location of issue: Berlin
Date of issue: 1. Feb. 1923 AD., 1st issue,
Value: 100.000 Mark
Size: 192 x 115 mm
Material: paper
Watermark: Oak branch ornaments on the right 1/4 of the note only
Company logo: N (all company logos: A, C, D, H, J, K, M, N, P, R, S, U, V, W and X )
sheet number : 20
Serial no. : 039681 (6 digit serial, green, two serials on obverse)
Signatures: (12)
Printer: C. G. Naumann GmbH, Leipzig
Obv.: Reichsbanknote / 20 N·039681 / Hunderttausend / Mark / zahlt die Reichsbankhaupt- / kasse in Berlin gegen diese / Banknote dem Einlieferer. / Berlin, den 1 Februar 1923 / Reichsbankdirektorium / (signatures) / 20 N·039681 / 100000 Mark , portrait of the Hanseatic merchant Georg Giese in a circle, 1532 by Hans Holbein der Jüngere (Hans Holbein the Younger).
Rev.: Reichsbanknote / Wer Banknoten nachmacht oder verfälscht , oder nachgemachte oder verfälschte sich verschafft und in Verkehr bringt, wird mit Zuchthaus nicht unter 2 Jahren bestraft / / R·B·D / 100000 / Mark / Hunderttausend Mark , ornamental design, value and text within.
References: World Paper Money P-83a/2 ; Rosenberg R-82d .

portrait of the Merchant Georg Giese (Gisze), 1532 by Hans Holbein der Jüngere (Hans Holbein the Younger, ca. 1497-1543). Oil and tempera on oak
Portrait of Georg Giese is a 1532 portrait by Hans Holbein the Younger, now in the Gemäldegalerie, Berlin. It is one of a series of portraits of wealthy Hanseatic merchants made by Holbein in the 1530s. This series of portraits signals the increasing importance of the emerging merchant class, as they took their place on a world stage.
More on https://en.wikipedia.org/wiki/Portrait_of_Georg_Giese , http://blog.smb.museum/hans-holbein-und-das-geheimnis-des-kaufmanns-georg-gisze/

Georg Giese (2 April 1497 – 3 February 1562) was a prominent Hanseatic merchant, who managed his family's office at London's Steelyard for at least 12 years, and is noted for having had his portrait painted by Hans Holbein the Younger. More on https://en.wikipedia.org/wiki/Georg_Giese