Al:
It IS a Charatan. By my best guess, I date it to the early 1960's (definitely Herman Lane era) taking into account the double comfort stem, the nomenclature which reads, "MADE BY HAND" on one side of the shank,
"CHARATAN'S MAKE - LONDON ENGLAND - EXECUTIVE" on three lines on the other side of the shank,
There is also an "X Extra Large" on the bottom, which I unfortunately don't have a photo of. But the "Extra Large" is in a sort of cursive script, and the "X" is block.
You can see that the stem has the CP mark with the C entering the P as well, which I think would also point to the early 1960's. (photo is dark, sorry)
The opposite side of the stem also has a "Reg XXXXX" number but I can't make out the actual numbers in my photo and the pipe is at home. I'll try to bring them out in a photo.
Let me know what you think.
- Myles