www.925-1000.com

The website and forum here have been very helpful. The 10x zoom on my iPhone has been good as well for photographing some of these marks.

This one I have the purity, the location, and the date figured out, but cannot find the exact maker's mark.

1931 London .925 silver forks set of five:

https ...

I think I'm getting the hang of this. Among the pile of silver plate I bought was one fork with these marks:

https://i.imgur.com/asoFIxs.jpg
https://i.imgur.com/8pQUy4V.jpg
https://i.imgur.com/9VYHuxz.jpg
https://i.imgur.com/SOoOE6x.jpg

I didn't find the exact "three towers" match to my ...

Wonderful! Thank you Phil. Now I believe I have one Exeter fork from 1844. Going to go post it.

Let me try the imgur images again. I am very rusty at stone age hyperlinking!

https://imgur.com/4buqNot
https://imgur.com/LKqOqmM
https://imgur.com/tp4ChIj

I likely bought junk. But, these three forks intrigued me. Legit?
Weight is 2.638 ounces, or 74.79 grams, for one fork.
The maker's mark looks poorly stamped and completely illegible.
I'm a completely n00b at silver ...