b'131908907907** 1911-15 (SG.91w) 2/6 carmine-rose Lakatoi, with "watermark Crown to right of A" variety, corner example, superb MUH. Cat.600+. .$600800908** 1917 (SG.111a) Surcharges \'ONE PENNY\' on 2/6d rose-carmine [Pos.21] with WATERMARK UPRIGHT (INVERTED), very fresh MUH marginal example. Only one sheet of 40 discovered with no other upright watermarks recorded for the \'ONE PENNY\' surcharge issue, Cat 2500+. Ceremuga Certificate (2002) . $2,5003,000909909** 1929-30 (SG.114) Overprinted \'AIR MAIL\' 3d black & blue-green with "ALBINO" overprint, overprint impression clearly visible on reverse, expertising handstamp and a normal stamp for comparison, MUH, Cat. 8,000 (as a missing overprint in pair with normal stamp). RPSofL Certificate (2007) $6,0008,000911910910** 1929-30 (SG.117) Harrison Printings Aeroplane Overprint 1/- sepia & olive marginal block of 4 with"Overprint in deep carmine" the first unit with \'AI,R MAIL\' overprint flaw, fresh MUH. This flaw not listedby Gibbons. [Variety occurred only once on each sheet, and as only 10 sheets overprinted in carmine,a maximum of 10 examples can exist. Only one other block (without selvedge) exists.].$2,2002,800911* 1929-30 (SG.117) Harrison Printings Aeroplane Overprint 1/- sepia & olive with "Overprint in deep carmine" and with \'AI,R MAIL\' overprint flaw, MVLH. Unlisted by Gibbons. RPSofL Certificate (1983). Ex Peter Gold. [Variety occurred only once on each sheet, and as only 10 sheets overprinted in carmine, a maximum of 10 examples can exist.] .$1,0001,200'