HomepageProductsCertified German Porcelain Coins Ron Guth German Porcelain/Ravensburg 1923 100 Pfennig, S-573aIII, Black, 43 mm, R-3, EF German Porcelain/Ravensburg 1923 100 Pfennig, S-573aIII, Black, 43 mm, R-3, Extremely Fine. Next Read: German Porcelain/Münsterberg (1921) 20 Pfennig, S-197a, Brown, 22 mm, R-3, AU » Ron Guth: Related Post COINKING® PROVENANCE! West Germany 1983-J 5 Mark, Karl Marx, PCGS PR69DCAM COINKING® PROVENANCE! West Germany 1982-D 5 Mark, Johann Wolfgang Goethe, PCGS PR69DCAM COINKING® PROVENANCE! West Germany 1984-J 5 Mark, Felix Mendelssohn Bartholdy, PCGS PR69DCAM