This seems to be a pretty good deal at $12.50 (lower offers also accepted) w/ $4 shipping. Says they are hand made/crafted in-house. Two left. Overall Height: 110 mm Loft: 60 mm Knot: 22 mm
Update: He is willing to sell them for $11/brush if you make that offer. Link Maybe something for @celestino to have the sunlight come through the base of it