For your consideration, here is a Vintage Imperial II Mini Stapler, Tan Color, made in the USA.  The stapler is in nice shape, not much wear on it.  It has been tested and works great.  The spring is still strong.  There is a photo of test stapling.  It uses no. 10 or Tot swingline staples.  There are a few staples loaded in it.  Item pictured are the actual item up for sale and come from a non-smoking household.  (374.767g-.7od)