Everyday desktop items in the 40s through the 60s. 

The eraser wheel whisk has a plastic handle, rubber wheel, and plastic or nylon bristles. It is 3.25" long; 1.25" wide. Branded "Weldon Roberts." There's a bit of pink nail polish on the handle. Also marked "Made in Newark."  See photos.  The eraser itself is hardened and probably not much use for actual erasing, but a great nostalgic prop.

The stamp dispenser is 2.5" at the base. A metal ball screws/unscrews onto a central metal shaft, holding the plastic lid in place. USE:  When the lid was removed a roll of stamps was inserted, with the lead stamp threaded through a slit in the plastic cylinder. One stamp at a time could then be pulled out and separated at the perforation. In an era when the US mail was the standard for correspondence, bills, and business, t was an ingenuous way to keep stamps handy, clean, and dry.