Duck stamps are a highly collectible area of Philately. You would have to consult a good catalog to properly identify and value them. There is usually one available at your local library.
The 2010 SCott catalog assigns this stamp a value of $135 mint never hinged, $60 for mint hinged; $50 for mint no gum and $45 for used.
15.50
how much did a postage stamp cost in 2016
It is worth the cost of the stamp.
About $2.00
how much does a nova scotia duck tolling retreiver cost in America
One stamp will cost 46 cents. A book of 20 stamps will cost $9.20. There was not information about a "pele stamp."
a stamp in Montana costs 44cents
44 cents per stamp
depends what stamp, normal ones cost around about £1 for loads of them
Most stamps will show the value of the stamp somewhere on the design.
34cents
About $1.24.
$1.15