An engraved silver tray

Would truly appreciate if someone can assist with valuation of this & more info...thank you

The company that made it is E.G. Webster & Sons. I S stands for International Silver Co. E.G. Webster & Sons was sold to International Silver Co. in 1928. In 1961 the trademark changed to Webster Wilcox. I’ve not yet found what the numbers mean. I’ll let you know if I find more. This may be the same one as yours https://www.ebay.com/itm/E-G-Webster-Son-Silver-Plate-Platter-Serving-Tray/383223191520?hash=item5939e1d7e0:g:xBAAAOSwGLddrUH~ I also found this with different mark https://www.ebay.com/itm/E-G-Webster-Silverplate-on-Copper-Dual-Handle-Serving-Tray-C1900-Foliate-Design/392108168699?hash=item5b4b77d5fb:g:BYkAAOSwbE9bfath And this https://www.ebay.com/itm/E-G-Webster-Silverplate-on-copper-Dual-Handle-Serving-Tray-c1900-foliate-design/181998945897?hash=item2a5ffb8669:g:-UQAAOSwFqJWoWvd I don’t know enough to know why the differences in what they are being sold for. Hope this info can help you.

Thank you very much, MarkBlemish, for your detailed response..I truly appreciate it.

This is a silver plated example, American Sterling silver examples would be marked with the word "Sterling" or the numerical equivalent "925" ( 92.5 % silver) . Values for silver plate is currently weak, a result of the Baby Boom generation downsizing and estate clearances causing a bloated marked for silverware.