1920 : Newspaper on white paper - 2 H. purple
1920 : Newspaper on white paper - 4 H. brown
1920 : Newspaper on white paper - 5 H. black-grey
1920 : Newspaper on white paper - 6 H. green-blue
1920 : Newspaper on white paper - 8 H. pale green
1921 : Newspaper on white paper - 9 H. yellow
1920 : Newspaper on white paper - 10 H. red
1920 : Newspaper on white paper - 12 H. blue
1921 : Newspaper on white paper - 15 H. lilac
1921 : Newspaper on white paper - 18 H. blue-green
1921 : Newspaper on white paper - 20 H. orange
1921 : Newspaper on white paper - 30 H. yellow-brown
1921 : Newspaper on white paper - 45 H. green
1920 : Newspaper on white paper - 60 H. lilac-red
1921 : Newspaper on white paper - 72 H. lilac-brown
1921 : Newspaper on white paper - 90 H. purple
1921 : Newspaper on white paper - 1,20 K. vermillion
1921 : Newspaper on white paper - 2,40 K. pale green
1921 : Newspaper on white paper - 3 K. grey