They have become rare, probably because I have bought every smooth one that has appeared for some years. The ages are all 21st century. They all smoke very well, except the Cumberland, which has a bad tasting finish. I keep it because it is a beauty. Once you break in one of these it will smoke very well for many many years. The best are the Root Briars, then Amber Root. The Bruyeres and Chestnuts smoke about the same but the Bruyere takes longer to break in. The #4 County, bottom left, is probably my favorite pipe. I cannot explain why.