Casting silver sculptures

I am a sculpture and planning to make small silver sculptures from
my large sculptures. Does anyone knows where i can pour them? The
size
of the sculptures are 70mm high and 50 mm other two dimensions.

Thanks

I am a sculpture and planning to make small silver sculptures from my
large sculptures. Does anyone knows where i can pour them? The size
of
the sculptures are 70mm high and 50 mm other two dimensions.

Thanks