pS110p: 20 Heller from 1920

May 1920. Blue-grey. Steamer on the Danube below the Abbey of Melk. Uniface proof of back; picture dark green.

• Country & Pick Number:Austrian States pS110p
• Denomination & Currency:20 Heller
• First Year of Issue:1920
• Issue Type: Printers Proof
• Series:May 1920 Issue
• Issuer:Nieder