Lot 280
Rivadavia 15 c. blue, imperforate example from the first printing with 'RA' watermark, a very fine used example with large margins all round, lightly cancelled in blue. A very rare stamp. Signed AD, Raybaudi with certificate (1986) andHolcombe with certificate (1995); also 10 c. green, slightly touched and small thin on reverse. Gi 15 = £ 4'500/Scott = $ 6'500.
