You never cease to impress me, EvansB - you really must have a sizeable vault full of airplane documentation. Indeed, it is the 155 jetliner design by VEB Flugzeugwerk Dresden that was supposed to be a much more potent replacement of the Il-14P. They came up with a turboprop powered version and also one jet powered variant which seems to have been liked better as they even built a full scale mockup of it:
Apparently the left wing is missing for some reasons; the fuselage beside it belongs to the mockup of the 153A twin turboprop airliner that also got stuck on the drawing board. Here is a three-view of the plane as it was supposed to look:
In 1961, all these planes fell victim to the cancellation of the whole GDR airliner industry - it simply was not feasible for the country to build large airliners on its own. Your controls...