1909 Scott 46 Imperial Eagle and Post Horns with Thunderbolts Mi 36

1909. Imperial Eagle and Post Horns with Thunderbolts.
Catalog numbers: Scott 46, Michel 36.
Issued on: 1909.
Perforation: 13½.
Printing: Typography.
Color: Dark brown, orange, pale brown.
Face value: 10pi on 1r.