I have a 1942 Mauser Luger my dad brought back from Germany in WW2. All matching except the barrel. Holster and two mags, all matching to the Luger. Quite a piece of history and a family heirloom. Not interested in selling, but you could make an offer ($1200 wouldn't buy it, though).
With all due respect, as many times as this has been relisted and as you state there have been no offers, it is not priced to sell. This may or may not have anything to due with it's "value". It is just not evidently a desirable piece. Keep lowering the price until you receive interest, or put...