Montblanc - MONTBLANC modello "Pix - O - mat", penna a sfera a due colori - MONTBLANC model "Pix - O - mat", two-color ballpoint pen (red and green), 1950s - 1960s, - Catawiki
Penna StarWalker Penna a Sfera - Montblanc - Lord Gioielli
Penna Mont Blanc Rouge Boheme in Sfera for sale at Pamono