with a lot of reserve it could be read as " 'adli-Qazvin
عدلی قزوین " (
'adl-i Qazvin valid at Qazvin)
with an arrangement of letters to give style to the rosebud shape stamp.
That needs to be confirmed... the weight may fit with existing coin of this mint (6-8g)
The bird seems to me to show remains of up tail and could be better a peacock than a duck

it is not clear and both birds exist on civic coppers..