Lamy z24 converter this piston operated converter for lamy fountain pens can be used instead of lamy t10 ink cartridges compatible with all fountain models of the lamy al star lamy joy lamy nexx lamy nexx m lamy safari and lamy vista rangethe history of lamy lamy is an independent family owned enterprise established in 1930 by c josef lamy in heidelberg germany since becoming a brand in 1952 lamy has proved its innovative prowess with every new pen ser