Wm Rogers Sectional WM. Rogers Silverplate....i Found A Tea Set In The Attic?

WM. Rogers Silverplate....i found a tea set in the attic? - wm rogers sectional

I have a 3pc. Tea in the loft. It was made by WM. Rogers.
I can not find any information on this subject, the age is and how its value. The PCG Wm Rogers () is not on them like the others I've written ever seen. On the contrary, has a green check mark printed in silver