I found this at a thrift store and I'd like to know the origins of it and its fair market value. The markings on the bottom are:
MAYFAIR HOTEL
ST. LOUIS
INTERNATIONAL SILVER CO.
SILVER SOLDERED
05021
10 OZ. [26]
PAT. APRIL 21.1925

The number 26 is in a box; the "9" in the "1925" is hard to see, but it probably is a 9. The markings on the bottom seem self-explanatory, but I'd like to know as much as possible about its origins, the meanings of these markings, and more importantly, its fair market value. Any help is appreciated!

Three pots, they look like tea pots and a creamer. Under each piece is the name "Pairpoint MFG", a "P" inside a diamond shape box and number 303.

there are (6) five piece place settings, six butter knives, three serving spoons, 1 sugar spoon, 1 gravy ladle, two iced tea spoons. I inherited this and I really don't know where to start with trying to find out what it's worth. Thank you.

silver cup

I am just wondering if anyone can tell me anything about the Indiana Desk Company and if they are still around?

I bought this at an antique shop 20 years ago. Would like to know value of it today.