1889 Chicago Rock Island & Pacific Railroad Co & Warehouse Commission ephemera

Description

1st - I AM NOT A BUSINESS AND DO NOT HAVE POSTAL PICK-UPS TWICE A DAY  so please allow me IF needed an extra day or 2 to get to the Post Office.
Sorry but sometimes, not always, the colors are off/yellowish when my is taking picts of bright things.
l acquired a small lot of RARE railroad/railway related and other old envelopes, stamps, ect. and of mostly defunct railroads.
I don't know what any of these pieces may bring but just incase they are actually as rare as I think they may be, I'm keeping my "BUY IT NOW" values high.
This is a nice rare letter from the "State of Illinois Railroad and Warehouse Commission" what ever that is? Condition is very nice and would be mailed in a protective document sleeve.
For the person that collects everything and anything unusual related to the  C,RI&PRR.
PLEASE ask questions and do your research before you bid and BE SURE it is what you want so we don't have to go through the hassles and costs of returning. Thank you.