No. 344 Grey Chevron
This pen is from the personal collection of FredRydr - a Montblanc aficionado, and active contributor on FP Geeks and FPN. It is thanks to Fred that I was introduced to these wonderful Spanish Montblancs!
From L to R - Soennecken Rheingold (blue-ray), MB 344 Silver Ray, and Waterman 7 (emerald-ray)
Guillen, J. M. (2014). Montblanc Pens Made in Spain. Guillen.