unknown token [opgelost]

can anyone help with this  token

 

I think it is a medieval coin, used as a hanger.
It has a monogram probably Manuel I :
http://www.ebay.co.uk/itm/MANUEL-I-Comnenus-1143AD-Ancient-Greek-Mint-BYZANTINE-Coin-MONOGRAM-i14712-/230939373352
more greek coins (Manuel I) :
http://www.wildwinds.com/coins/byz/manuel_I/i.html :
Manuel I. AE Half-Tetarteron. (usually around 1.8 gr.). Uncertain Greek mint. Monogram Sear 58 (D-M-K-PL clockwise from left at the ends of a cross) in large letters / no legend, crowned, unbearded bust of Manuel facing, wearing loros, holding labarum and cross on globe. SB 1979.

Thanks my friend you are on the money