20 p blue eagle type 1901-1911 B I - Letterpress I Berlin

20p blue (example image: 58 I)

Different types of this stamp:

52 First issue of type 1901 lithography, 14 1/4 x 14 3/4, 1901
58 A I Letterpress I typography (Berlin plate), 14 1/4 x 14, 1906
58 B I Letterpress I typography (Berlin plate), 14 1/4 x 14 3/4, 1901
58 A II Letterpress II typography (Helsinki plate), 14 1/4 x 14, 1908
58 B II Letterpress II typography (Helsinki plate), 14 1/4 x 14 3/4, 1908

First issue 1901: Outer framelines are close together. The point after Russian 'H' is centered between 'H' and '20'.
Letterpress I typography (Berlin plate); Outer framelines are widely separated. Russian 'H' and '20' are
slightly more separated with period close to 'H.'. 'XX' with horizontal lines.
Letterpress II typography (Helsinki plate); 'XX' without horizontal lines.