RW48var2, 1981 Ruddy Ducks, with red color shift, VF NH (Image)

$20

RW49var, 1982 Canvasbacks, with orange color shift, color shifted down, F-VF NH Cat($15) (Image)

$30

RW50v1, 1983 Pintail, color shift creates orange glow on the heads of the drake and hen, very noticeable! Normal stamp included, VF NH Cat($35) (Image)

$35

RW53var, 1986 Fulvous Whistling Duck, Upper Left, Upper Right, Lower Left and Lower Right PNS's, all with different placement of "eye-out-of-socket", VF NH Cat($50) (Image)

$80

RW53var, 1986 Fulvous Whistling Duck, "moving eyeball" varieties (4); front eye shows different positions, nice selection of this EFO! Brown also shifted on top stamp, VF NH Cat($50) (Image)

$95

RW60var, 1993 Canvasbacks, "firefly" variety, with plate flaw (possibly debris) above the hen's beak, VF-XF NH Cat($27) (Image)

$50

RW72Av1, 2005 Hooded Merganser, dollar bill size, with printing flaw, two red dots, like a colon, in the blue bar above the drake's head's. We have looked at thousands of other stamps and this remains the only one we've seen! (Image)

$175