I think you mean "any advice" - and if so - I'd say that someone used Monotype's Scotch Roman and 1) modified the "R" and 2) cracked it up.

http://myfonts.us/td-vcDi7L

and on a fresher look: perhaps it was Engravers modified: http://myfonts.us/td-AE3d5L

Thank you very much !

You are most welcome.

Maybe you also know how I could make diese strikes udner and over the "on" ?

If you have Adobe Illustrator - it's pretty simple. Just a straight line with a triangle in the middle....
And you should be able to create that in most programs...

..sounds simple ^^

and element 7.0 ?

come on... it's a font identification forum, not google