My guess is the tag was manufactured by the W.W. Wilcox & Co., Chicago. since they manufactured other tags for the M and O. Baggage Check Makers
Don.....
That is awesome nice addition to any collection!! I love RR stuff There is a caboose that in the 1930 was pushed off a bridge into the river you cant see it but I read about it in an old news clip while doing research Id love to recon that thing. Good find