|Note_en=''"D. Blazer & Metz N.V."'' catalog for [[Biro]] ballpoint and [[Montblanc]] fountain pen and mechanical pencils. Page 20 and 21. Show [[Montblanc 24x|24x]] series models, citing the black (24x/4), brown (24x/7) and silver gray (24x/8) color versions, and the [[Montblanc 34x|34x]] series models citing the black (34x/4), burgundy (34x/5) and dark blue (34x/6) color versions. | |Note_en=''"D. Blazer & Metz N.V."'' catalog for [[Biro]] ballpoint and [[Montblanc]] fountain pen and mechanical pencils. Page 20 and 21. Show [[Montblanc 24x|24x]] series models, citing the black (24x/4), brown (24x/7) and silver gray (24x/8) color versions, and the [[Montblanc 34x|34x]] series models citing the black (34x/4), burgundy (34x/5) and dark blue (34x/6) color versions. |