Definition of perfin in English:

perfin

noun

Philately
  • A postage stamp perforated with the initials or insignia of an organization, especially to prevent misuse.

    • ‘The discussion of perfins, advertising stationery, selvedge, and sponsorship identified further implications of the connection between Canadian business and postage stamps.’
    • ‘Such punched stamps are referred to as perfins, an abbreviation for perforated initials.’

Origin

1950s: from perf(orated) in(itials).

Pronunciation

perfin

/ˈpəːfɪn/