Norway 10 Kroner 1964 Constitution sesquicentennial. Olav V (1957-1991). Obverse: Crowned shield. Reverse: Eidsvollsbygningen; the historic manor house located at Eidsvoll in Viken county; Norway; where the Constitution of Norway was signed on 17 May 1814. Edge Lettering: ENIGE OG TRO TIL DOVRE FALLER. Silver 19.71g. KM 413