SILVER 1978 AUSTRIA 100 SHILLINGS CHOICE BU OPENING OF ARLBERG TUNNEL Specifications Composition: Silver Fineness: 0.6400 Weight: 24.0000g ASW: 0.4938oz Diameter: 36mm Design Obverse: Value and three rows of shields within circle, date below circle divided by small hammer and sickle emblem Reverse: Sun above banner, mountains below, hands in front of mountains, circle surrounds all, two dates in legend, two shields below circle Edge Description: Plain with engraved lettering Notes Subject: Opening of Arlberg Tunnel