Coins 517Germany. Bayern. Luitpold, Prince regent (1886-1912).AR 3 Mark, Munich mint, 1911.D/ Head of Luitpold right.R/ Imperial eagle.AR.g. 16.63 mm. 33.00VF.Luitpold was the regent on behalf of his nephews, Louis II. and Otto, because they had a mental weakness. This coin is a commemorative issue for his 90th birthday.