Description:

£1 brown & blue BW #51A upper-right corner block of 4, the third unit [R11] with UFO Over Cape York #51(D)k, the gum a little "suntanned" but unmounted!, Cat $60,000+ (as singles). An attractive and very rare block.



Our vendor states that only four blocks of four are recorded, of which this is the only corner block. Arthur Gray's mounted block of 4 - both right-hand units with repaired perfs - sold in February 2007 for $US35,000 (= $A48,500 at the time).