Health Gymnastics for Children 1947 Overprint

Finland · 1948 · 2 mk

The stamp features an overprint of '2 mk' and a line underneath, applied to an earlier design related to health gymnastics for children. The provided image is of the back of the stamp, showing the gum and the overprint clearly.

This stamp is an overprint from 1948, re-denominating a 1947 issue to '2 mk'. Such overprints often reflect changes in postal rates or currency adjustments, common in post-war periods.