Black Bellied Whistling Duck 12,50 dollars with variety black inscription printed on the stamp paper rather than the gum, very fine with 2011 APS certificate, cat.v. $ 3500
Fulvous Whistling Duck 7,50 dollars with variety black omitted, very fine (graded 85) unmounted mint with 2007 PSE certificate. A very rare variety of which only about 60 copies are known!