Italian telephone token

I am looking on the record here but there is non about itallian telephone token number 7710 ESM, 

N#133648 

 One of the three 1977 lines is yours, ESM on left 7710 on right. 

At the top of the page is one picture, to show generally what it looks like, 

then in the year lines the numbers are listed. 

 Welcome to the forum.