Lot 21284 – 1961 Mubarakiya School proofs on five pages from t

1961 Mubarakiya School proofs on five pages from the Courvoisier archive, first page with 6-stage progressive proofs of 8f (as issued but with green ferns) and 25f (unissued value), second page with 6-stage progressive proofs of 8f and 20f (both as issued), third page with 5-stage progressive proofs of 8f in a smaller format than issued in three different colours, fourth the same but showing different shades of the 25f, and final page with 5-stage proofs of the chosen design, an fantastic group showing the processes involved in stamp production, ex Courvoisier Archive (64)