Cook Islands - Niue 1932 -36 complete sheet of 1/2d black & Emerald, mint

1932-36 1/2d Black & Emerald complete sheet of 80 stamps,mint SG no. 62 cat £0.50p each This sheet has been kept in the bottom of a wardrobe for years, hence the gum is a little toning and dry.!! The sheet has been folded.