WI1, Wisconsin 1978 Wood Ducks, perforated on all four sides, which normally adds a 25% premium, as only three stamps per pane of 10 are fully perfed. F-VF NH. RARE! Cat($65) (Image)

$72

WI1v, Wisconsin 1978 Wood Duck, "shot wing" variety, a red target (dot) appears on the bottom drake's wing, F-VF NH Cat($350) (Image)

$295

WI1h, Wisconsin 1978 Wood Duck with full number tab at left, VF-XF NH Cat($65) (Image)

$75

WI2, Wisconsin 1979 Bufflehead, rouletted on all four sides! VF-XF NH Cat($20) (Image)

$25

WI2h, Wyoming 1979 Bufflehead with full number tab at left, VF NH Cat($20) (Image)

$35

WI6v, Wisconsin 1983 Blue-winged Teal, with color shift that creates a "halo" above the duck's heads, F-VF NH Cat($45) (Image)

$40