(click on pictures to enlarge)
|These pencils are identical to the National Pen Products' Diamond Medal, but with the script "Ritzie" on the clip.|
There is also the more common "La Ritzie," which may or not be from the same company. This example is of significantly lower quality.
As shown in the following picture, I suspect this was made by Wearever.
|This one is clearly a Wearever.|