I got this WB last week and am impressed with getting one in such good shape and with the original scales to boot!
Not sure what the wood is but it feels very light like Balsa, didnt know they made Balsawood scales. They are unstained/varnished or anything so the natural beauty shines through. The wedge is a unique design with a wooden dowel held in place by the expertly done collarless pins. A string is attached to the pin at the tang, I am not sure if it is used in lieu of thrust washers or if it was a means of hanging the straight from to aid in drying after use.
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I must ask should I just clean up the blade a bit, or try to unpin the scales and risk damaging them in removal/repinning without collars in order to do a full cleaning of the blade?