The 20 Pfennig value was intended for paying the foreign letter rate. It was also used to pay registration and overweignt letter fees. Eight shades were printed.

ultramarine-blue (1889-91)	violet-ultramarine (1889-91)

blue (1891-95)	gray-blue (1891-95)	blackish-blue (1892-93)

sooty gray-blue (1892-94)	prussian blue (1891-93)	bright ultramarine (1892-1900)

This value was delivered to the post offices in December, 1889.

December 16, 1889