Collectors of IBM mainframe computer memorabilia will find this a highlight to their collection.
This item is very rare on or any other site. I was only able to find one like it on at a much higher price. These masthead / banners were located on top of the System Front Panel.
I worked in-front of an IBM 370/158 decades ago as an IBM Systems Programmer, and had this header displayed on the front of my desk atwork. I yet since then have retired.
There are some wear and scratches on both sides, see photos.It is about 4 lbs made from cast aluminum, measuring 31 ½ inches long, Shipping will be via a cylindrical tube via UPS.