Help w/Makers Mark & age of 2 old(?) beer steins

Found these hunting through my local thrift store - I don't know the maker's mark but I bought them because 1 had fairly extensive repairs; and I thought to myself "someone wouldn't go to all that trouble unless they were old/valuable"
Can anyone make out the maker by their mark (looks like a capitol Letter I inside a square?)
Age?
They look a little like old Delft pottery, no?
Thank you for any help.

 

I think they are Marzi & Remy steins. Here's a catalog page showing mold 2645. A page showing 2380.

 

https://www.steinmarks.co.uk/pages/pv.asp?p=stein164

 

Does it say what years those styles were made?
According to the link janetpjohn gave I have the potter wheel(may not remember 100% sorry) with no text - but that mark (and with text) was used from 1879(I think) to 1964 - a 80+ year spread!
Either way Thank You!!

 

Found it - Thank You!!