Very hard to find MB 4 colors ball pen. High quality, made in Germany. When looking for other collectible pens, or for daily use.The item "1975 made 925 Sterling Silver 4 COLORS Ballpoint Pen MONTBLANC PIX-O-MAT system" is in sale since Tuesday, April 2, 2019. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Ballpoint Pens\Montblanc". The seller is "berlin-collectible" and is located in Berlin. This item can be shipped worldwide.