Help ID this Small Pan marked 3.0. with heat Ring

[Chris Joseph]

Hi. Can't seem to have luck getting a hit on this pan. It's approx 6.5" across the top. Only mark on the bottom is 3.0. Thanks for any help.
Chris

 

[Doug D.]

A BSR from the 1950s. More at:

Unmarked Cast Iron Cookware Identification - The Cast Iron Collector: Information for The Vintage Cookware Enthusiast

The Cast Iron Collector: Information for the Vintage Cookware Enthusiast. Learn how to identify, clean, restore, season and use collectible antique cast iron cookware.

www.castironcollector.com

 

[Chris Joseph]

Thanks Doug!