Select by which Reference sort Results

I would like to be able to choose which Reference to use to Order search Results

https://en.numista.com/catalogue/index.php?e=italie&r=500+lire&st=all&cat=y&im1=&im2=&ru=&ie=&ca=3&no=&v=&a=&dg=&i=&b=&m=1&f=&t=&t2=&w=&mt=&u=&g=&c=&wi=&sw=&o=k

seems to me sorted By KM number,

I would like to be able to choose do sort search Results by N# or Gigante# or Montenegro# or Schön#  or Y#

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@rsirian1  

it seems you can already do it using wildcard chart *

https://en.numista.com/catalogue/index.php?e=italie&r=&st=all&cat=y&im1=&im2=&ru=&ie=&ca=162&no=*&v=&a=&dg=&i=&b=&m=&f=&t=&t2=&w=&mt=&u=&g=&c=&wi=&sw=