The Department store Tokyu Hands started selling Panasonics while I was over there last year. Well now they are selling Levels too. Prices are around ¥168,000.
(Tokyu Hands is a lifestyle store, which sells home wares etc. Bit like a John Lewis).
Don't know if anyone answered you adoubletap? I was looking at dogsballs 'bash' bake at the weekend, it has a similar detail but with the lugs on the ehad tube and not on the top/down tubes. It's lugged, but then the lug's extension is filed off on one join to make them look fillet-brazed. I think!
But the more I'm looking at that the more I think it might somehow be both.
I remember bikesnobnyc writing about that bike (and you know how he thinks about this style of bike). Funny thing is, it has a Belgian url (fixated.be) on it but that leads nowhere...
If I was looking for a custom frame builder, skill with a needle-file would be pretty low on my list of considerations. Attention to detail, definitely. In it for the details, hmm..