eBay.co.uk: GERMAN - PRUSSIAN, Iron Cross, 1st Class. Maker K.O. (item 110075044030 end time 10-Jan-07 19:15:00 GMT)

German-Prussian, Iron Cross, 1st Class. Maker K.O. (keyword is 'Maker')

I can't find KO to stand for bravery or distinguished service. Sounds like someone is trying to make something seem more impressive.

eBay.co.uk: GERMAN - PRUSSIAN, Iron Cross, 1st Class. Maker K.O. (item 110075044030 end time 10-Jan-07 19:15:00 GMT)