This patinaed (rusty) Swedish pipe wrench came from eBay. I placed a last-minute bid on it before I realized what kind of wrench it was and its condition. (Now I have a clear case of buyer's remorse - this wrench won't see daylight for very long). The wrench is 12 7/8" long and has two stamps on it: the number "1" and a bell=shaped figure with crossed hammers within the bell's outline and the letters R H & C along the bottom edge of the bell.  I don't who made this wrench, and I know even less about Swedish manufacturing processes. It seems to me to be a close, but smaller, copy of my Eck-Schwede "1 1/2"  wrench on the right, below   

The ECKSCHWEDE is a german made Tool
This is the moderne one:
http://www.werkzeug-pruever.de/product_info.php/info/p107661_DAKO-Eckrohrzange-Eck-Schwede-snap--DAS-ORIGINAL-1-1-2-.html

Thanks for the scoop on Eck-Schwede!

I have one too
http://www.flickr.com/photos/kefraya/6796048341/