Medal Identification

[AUSGANG]

Any help identifying this medal is appreciated! I reads "zur erinnerung an meine dienstzeit 1886-1889" on the reverse

[Gerdan]

There are other medals with the same text. When soldiens ended their military time they often got such (private) medals

http://cgi.ebay.ch/ws/eBayISAPI.dll?...m=230373993619


Gerdan