I will take a wild guess and say that Marcel Cros was a Belgian illustrator and/or poster artist. In 1937, he did the lettering of an airline timetable "Sabena 1937 horaires et tarifs du 5 Avril au 9 Octobre" for (now bankrupt, thanks to our Swiss friends) Sabena Airlines. That beautiful poster led Nick Curtis to design his Sabrina Zaftig NF font.

EXTERNAL LINKS
Google search page

INTERNAL LINKS
Font examples ⦿ The Belgian type scene ⦿ Nick Curtis ⦿

Luc Devroye ⦿ School of Computer Science ⦿ McGill University Montreal, Canada H3A 2K6 ⦿ lucdevroye@gmail.com ⦿ http://luc.devroye.org ⦿ http://luc.devroye.org/fonts.html