Aitutaki (Cook Islands)

1986 QE II 60^th Birthday IMPERF Plate Proof Miniature Sheet

On white gummed paper MNH

Stanley Gibbons Catalogue: #MS543

Plate Proofs or Imperforate are not listed

I believe this to be a Plate Proof. The printer of this stamp issue Fournier S.A sold its philatelic archives of stamp artwork and proofs in 2007 through the German stamp dealer and auction house Gärtner.