perfin

[ purf-in ]
/ ˈpɜrfˌɪn /

noun

a postage stamp having perforated initials punched into the paper: used by businesses to prevent unauthorized use of stamps.

Origin of perfin

perf(orated) in(itial)

British Dictionary definitions for perfin

perfin
/ (ˈpɜːfɪn) /

noun

philately the former name for spif

Word Origin for perfin

from perf ( orated with) in ( itials)