Felix graf von luckner porcelain medallion ??????

[SADolch]

Von Luckner was Captain of an Auxiliary Cruiser the See Adler (Sea Eagle)..... a merchant ship converted into a merchant raider in WW1,,,from Jan. -July 1917,sunk 14 ships for a total of 64,000 tons of shipping..11 in the Atlantic ....3 in the Pacific.......made of porcelain and is 1 3/4" round.. purchased this past weekend at a show in Hasbrouck Heights N.J. ......I would like to know if anyone might know when this medallion was made and possible value...........Thanks Dave H