Penrhyn (Cook Islands)

1984 Sailing Craft and Ships, IMPERFORATE Set of 3 high values

Singles from bottom left corner of the sheet.

On white gummed paper, Mint Never Hinged

Topic: Ships

$3 Mermerus, 1872
$5 Cutty Sark, 1869 

$9.60 Resolution, Discovery 1876-80

Scott Catalogue: #284-6, Value US$40.25 for normal stamps (2009)

Plate Proofs or Imperforate are not listed

Stanley Gibbons Catalogue: #353-5, Value £31.50 (2013) for normal stamps

Plate Proofs or Imperforate are not listed

I believe these to be 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.