Olavinlinna Castle 30 mk Stamp

Finland · 1963 · 30 mk

A Finnish postage stamp from 1963 featuring a detailed depiction of Olavinlinna castle, a medieval fortress, with a face value of 30 mk.

Issued in 1963, this stamp highlights Olavinlinna castle, a significant national landmark and one of Finland's best-preserved medieval castles, reflecting its cultural and historical importance.