ABU DHABI – 1966, 200f on 1r Light Green, Printer Trial Surcharge – Worth US.$3,750.

(22/23 var; SG 22/23 var). Affixed to piece of card, the 200f surcharge was eventually chosen for the 2r stamp, fresh color, Very Fine, a rare item which is believed to be unique and from the surcharge printer Arabian Printing and Publishing House in Bahrain, illustrated on page 252 of the Donaldson book, ex Donaldson