Oesterreichische Nationalbank, specimen 20 Schilling, 2 July 1967, serial number A000000I, also specimen 100 Schilling, 2 January 1969, serial number A000000G, red MUSTER overprints, and the 20 also perforated MUSTER, some stains, mainly in margins, overall uncirculated and scarce (2 notes)
TBB B246as, B249as, Pick 142s, 145s £150-£200