the "box lettering" and
the peculiar slant of the lettering (Arabic is a left-to-right written language, of course),
the use of the European-Middle Eastern for m of the number "1" and
the idiomatic awkwardness of his language ("can not" vs. "cannot"),
all suggest a possible to likely Middle East/ Arabic-language, non-US raised citizen tie.
His 7 is VERY American. From anywhere else, it would have a perpendicular cross-line through it midway.
His 9 is also very American; in Europe it would curve to the left at bottom but here in the States it is straight on the bottom.