This is the catch from yesterday's pen show in Tilburg, NL. I'm not knowledgeable about vintage pens, so some help would be welcome. Ignoring the Sheaffer PFM for the moment, I found what is supposed to be a ca. 1938 Onoto 5601 in green marble with a 14k #3 Standard nib. Very nice pen, writes extremely well. I put J. Herbin Lierre Sauvage in it - great match! The other pen, which was bought by my son, is a very, very beautiful De La Rue / Onoto lever filler in brown-flaked marble. Exact model and year of manufacture as yet unknown. Any corrections and additional info are welcome!