Cook Islands
1973 Christmas Children’s Charity, IMPERFORATE Set of 5 M/S’s MNH

On white gummed paper, Mint Never Hinged

Topic: Art, Scenes from a 15^th-Century Flemish “Book of Hours”

Scott Catalogue: #B34-8 

Plate Proofs or Imperforate are not listed

Stanley Gibbons Catalogue: #MS454

Plate Proofs or Imperforate are not listed

I believe these to be an imperforate Plate Proofs. 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.