These marks have two different countries of origin: Czechoslovakia and Germany. This could be a coincidence, or it could be due to the German occupation of the area during the Second World War.
Marks
M110801a
Doughnut-shaped mark contaning the letters "L B" and the text "MADE IN CZECHOSLOVAKIA".
M110801b
Doughnut-shaped mark contaning the letters "L B" and the text "MADE IN GERMANY".