Postage stamps of GDR, Schumann (incorrectly showing music by Schubert) and Schumann (correct music by Schumann), 10 Pf and 20 Pf, 1956
scanned by <a href="//commons.wikimedia.org/wiki/User:Nickpo" title="User:Nickpo">User:Nickpo</a>, edited by <a href="//commons.wikimedia.org/wiki/User:DieBuche" title="User:DieBuche">User:DieBuche</a>
own collection