Well good thing about being with obsessive with tracking down swords is you'll often encounter lots of things that can leave you puzzled.   At the end of May Meirin Sangyo got a Nobukuni wakizashi as a new addition to their inventory. I was positive I had seen that same sword quite recently and as I keep track of things, this was sold by Aoi Art. Now there is nothing funny about that as swords get passed between dealers a lot. However when this was sold by Aoi this had Hozon papered koshirae a