mastiff or best offer needs to go asap in Bracebridge, Ontario

I have a beautiful female mastiff, shes 1 year and 4 months, shes fixed utd on all her shots, shes micro chipped, registered with city of mississauga, her color is black brindle, shes well with any pet and awsome with kids of all ages, never been aggressive to anyone, her name is " KITTY" for she is just like a cat only in larger form, I'm asking 350 or best offer, serious inquires only for she is very loved by our family