Coin identification please [solved]

Hi I just got this coin and I can’t find what it is 

this is William 3 (cannot find a date) 

27.2 weight 

41mm dimensions 

thick around 3m

really dab grade unfortunately 

look like silver b not sure 

One of these;

https://en.numista.com/catalogue/index.php?e=england&r=&st=1&cat=y&im1=&im2=&ru=518&ie=&no=&v=1+Crown&cu=&a=&dg=&i=&b=&m=&f=&t=&t2=&w=&mt=&u=&c=&wi=&sw= 

Too hard for me to distinguish with that little detail.

Hi Thank you for guidance and I agree not much detail left on this coin 

Do you think this is worth anything or scrap?

It’s basically worth silver value, around 45£ since the coin is so worn.