Trapwell

Trapwell pipes marked with "World's best briar" are made of Mountain Laurel (Kalmia latifolia) a species from the Ericaceae family.

Circa 1941 Patent

The brand was made by D & P Pipe Works, owned by D. P. Levitas and located in Sparta, Alleghany County, North Carolina close to the population of Mountain Laurel in the area. Later, this company changed its name to Sparta Pipe Works and still later to Sparta Industries.

There were at least three pipe brands made from the Mountain Laurel: Trapwell, Breezewood and Custombilt.

This information courtesy Pipephil

• The first example from an eBay listing of RD Pipes (Ron Powell) is marked Imported Briar, so likely not one of the Mountain Laurel pipes. The second from Doug Valitchka is marked World's Best Briar, so likely is
• 

  Imported Briar example

• 

  Imported Briar example

• 

  Imported Briar example

• 

  Imported Briar example

• 

  Imported Briar example

• 

  World's Best Briar example

• 

  World's Best Briar Nomenclature

• 

  World's Best Briar detail