Australia SG 22a 1914-20 4d yellow-orange Monogram Pair M/M BPA Cert

1914-20 4d yellow-orange wmk 5 lower right corner horizontal pair from plate 2 with CA monogram mint large part o.g. small marginal thin at right otherwise fine and very scarce. BPA cert (2012). SG 22a (BW 110B(2)zb cat 1500 Australian Dollars) Ex Vestey (Spink 16 Oct 2014 lot 130 sold 320 pounds hammer) and Fordwater (Spink 9 Nov 2011 lot 199 sold 300 pounds hamer)