The differences in KM are only justified by the presence or absence of a shop letter. There are no other differences between the parts. The hole is surrounded by two oak branches, the letters RF and a Phrygian cap on top.
Obverse script
Latin
Obverse lettering
R F
EM LINDAUER
Reverse description
Value split by hole, date below.
Reverse script
Latin
Reverse lettering
LIBERTE·EGALITE
FRATERNITE
20 CMES
1945
Edge
Milled
Mint
Monnaie de Paris, Paris (and Pessac starting 1973), France (864-date) B Beaumont-le-Roger, France C Castelsarrasin, France(?-1946)