Here's an ad for the Platinum Knock An ad for the Pullman And an ad for the Asterope
A much older model is the French Pullman from the 30's (made by Meteore I believe). And there's the Aurora Asterope also from the 30's.
A modern pen with a somewhat similar design is the Stipula da Vinci.
There might be more examples, but right now I can't think of more
Responses
www.newpentrace.net