N:o block of six 223-8-1931 Coat of arms lion type m30 50p/40p blue green overprint type I

The coat of arms Finland 50p/40p blue green overprint definitive stamps model m30.

Different types of this stamp:
type I Horizontal lines are alignment to right with the surcharge text.
type II Horizontal lines are not alignment with the surcharge text.
The image represents type I.