https://www.ebay.com/itm/137381943497

Sticker underneath lid of 3x5" card index (recipe-type) box:

Main section:

"Jogger 'Trade mark'<br /> No. 2<br /> 3 x 5 - closed<br /> Sectionets 'Finger-Tip' Office Systems<br /> Sectionuls Vertical Files of Big Capacity<br /> Sectionups Four Drawer Vertical Letter Files<br /> Shaw-Walker"

Advertising text:

"No matter how small your business you should have Shaw-Walker Systems and Filing Devices to help make it grow larger---systematically. When it is larger Shaw-Walker equipment will take care of it.

With Shaw-Walker Modern files your work is methodical and systematic; you obtain the best results in the shortest time; they are to your office what modern machinery is to your factory. Ask for our Big Catalog."

via photos at https://www.ebay.com/itm/137381943497 which sold for $25.00

https://www.ebay.com/itm/276296844684

https://www.ebay.com/itm/204539906243

According to the card on a Shaw-Walker desktop card index, the follower block was patented on October 10, 1902.

Shaw-Walker. Flexowriter File-Desks. Accessed March 24, 2023. http://archive.org/details/TNM_Flexowriter_File-Desks_-_Shaw-Walker_20171021_0001.

An interesting in-desk filing system for punched cards. Interesting I've not seen anything like this prior for a mini card index maintained in an office desk drawer.

Perhaps such a system wouldn't have been as easily accessible for use on a daily basis versus potentially more portable small systems that could have been transferred from desk to desk (person to person).

https://www.ebay.com/itm/115727768658

The Shaw=Walker Card Systems catalogue from circa 1899.

And Mr. H. Beebe of Chicago, using but one drawer, says: "It has made me keep appointments and lay out my work to increase the things I can do in a day. "

In the December 1906 issue of System, a magazine which would eventually become Bloomberg Business Week), W. K. Kellogg, the President of the Toasted Corn Flake Company is quoted touting the invaluable nature of the Shaw-Walker filing system at a time when his company was using 640 drawers of their system.