Originally Posted by
hatzicho
The rectangular one - sure looks like a typical Schwedenstein. The other one I don't think so. Stones like this with that rounded back are typically found in rivers. These are not "mined" hones. In the thuringian mountains near the Schwedenstein quarries there are no rivers. Although the mottling is very much different to the Schwedensteins.
From the shape - I got two Charnley Forest hones that are quite the same. The mottling is not really typical for Charnley but not impossible. Maybe a Lyn Idwall hone?