Lot 186
GB 1973 3p Harrison Colour Trial Proof imperforate pair in olive-grey

Great Britain Philatelic Rarities | S24009
Auction: 19 June 2024 at 11:00 BST
Estimate: £600 - £800
Description
1973 3p Harrison Colour Trial Proof imperforate pair printed in olive-grey, unmounted o.g., produced as a proof for the Jumelle Press in specially-prepared sheetlets of four, printed in the issued 3½p colour (SG X858). Scarce. SG X855var.

