Hello
Welcome to the forum
The 1957 new form awards were available from the outset for anyone to buy, veteran or collector alike. I believe that the only restriction was that if you wanted to wear them you had to have evidence of entitlement, e.g. original award document, soldbuch entry etc, (Uwe, am I correct on this, and if so did this only apply to members of the then newly formed West German armed forces?). The new form awards were not re-issued, rather the then West German government passed a law in 1957 (hence the term '57') which allowed the manufacture of certain awards and badges from WW2, but re-worked so that the banned swastika etc was removed.
As has been said, Steinhauer und Luck still make some of the new form awards, purely for the collectors market, but the quality is very poor compared to the ones made in the late 1950's and early 1960's. The early ones can be found made out of either left over WW2 frames or made using the original war time dies - and the quality is every bit as good as the WW2 versions. If you want a new form version of the EK, shop around and you will find early examples. What ever you do, before buying one, post photos of it on here first and get some comments.