Coat of arms lion type m75 0,50mk green type I Ay

The coat of arms Finland 0,50mk green definitive stamps model m75.

Different types of this stamp:
785 type I, A perfor. 11 3/4, phosphorescent y paper 1976
785 type II A perfor. 11 3/4, normal x paper 1989
785 type II A perfor. 11 3/4, phosphorescent y paper 1980
785 type II C perfor. 12 3/4 x 12 1/2, normal x paper 1992

I = Value numbers and frame around Coat of Arms wholly coloured, sometimes by crossed lines (grid).
II = Value numbers and frame around Coat of Arms 'striped' (parallel line raster).