Hello there Daughter of Rosco Tools.
My father started buying the big cardboard drums full of Rosco Screwdrivers back in the 1950s.
We continued buying from Rosenberg Brothers & Co. clear through the late 1970s.
We dumped them into cardboard buckets next to the cash registers in all of our stores and retailed them for 39 cents each or 3 for a dollar.
If somebody wanted to "borrow a screwdriver", we
sold them a 39-cent Rosco screwdriver.
My mother, and all three of my sisters, still have black-and-yellow striped handled Rosco screwdrivers in the backs of drawers in their houses.
I have at least a couple dozen of them in my tool box.
I have been waiting for you to show up.
There is unfortunately a dearth of information about the company, which is unfortunate for those of us who are working on gathering and making available on the web information and the history of American tool makers.
You will find a tiny bit of information about Rosenberg Bros. & Co. HERE:
Rosenberg Bros. & Co., Smithtown, L.I., N.Y.
see:
http://progress-is-fine.blogspot.com/2012/10/vanished-tool-makes-rosco.html
You will find nothing about the company at Alloy-Artifacts.org.
I would encourage you to contact GarageJournal.com member twertsy at ToolArchives.com and provide him with any information and company history as you see appropriate in order that it be archived and made available on the web.
If you have any old catalogs, they would be of tremendous value should you be willing to share them so that they can be scanned, converted to *.pdf format, and made available on both ToolArchives.com and Archives.org. (here:
https://archive.org/details/internationaltoolcataloglibrary )
Thank you very much!