- PERF
- Ideal, in slang
- Stamp-separating part, to a philatelist
- Pierced with holes (abbr.)
- Rated "10" (abbr.)
- Stamp collector's abbr.
- Without flaw (abbr.)
- Certain border, to a philatelist
- Dotted line, at times: Abbr.
- Line to tear along: Abbr.
- Flawless, in slang
- Part of a philatelist's dotted line
- Ideal, in teenspeak
- Tense, in grammar: Abbr.
- Theatrical abbreviation.
- Abbreviation in theatre ads.
- Another abbreviation in theatre ads.
- B'way abbreviation.
- Without defects: Abbr.
- Flawless: Abbr.
- Broadway showing, for short
- Like most postage stamps: Abbr.
- Stamp feature, to a philatelist
- Philatelist's concern, briefly
- Stamp feature, in philately lingo
- Philatelist's abbr.
- Ideal, informally
- Literally flawless, bestie
- Philatelist's term
- Gram. tense
- Postage stamp edge, for short
- Ideal, for short
- Hole, in philatelic jargon
- Stamp feature, to philatelists
