Niue
1985 Christmas, IMPERFORATE Miniature Sheet

On white gummed paper, Mint Never Hinged

Topic: Art, Paintings by Correggio

Stanley Gibbons Catalogue: #MS608

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.