▲ (Left side) ◊ Kaywoodie "500", Imported Briar, U.S. Pat. 2808837 ◊ (Right side) ◊ 76B ◊
▲ ◊ Kaywoodie, "600", Imported Briar, U.S. Pat. 2808837 ◊
Period: 1959-1967.
500 and 600 series were cheep low-end pipes of the Kaywoodie brand.
▲ (Left side) ◊ Kaywoodie, Allbriar ◊
(Right side) ◊ All Imported Briar, 12 B ◊
▲ This pipe has a twin-bore bit. The vertical hole near the button is original and is typical for pipes of this line with this bore.
▲ (Left side) ◊ Kaywoodie, Allbriar ◊ (Right side) ◊ All Imported Briar, 07 H ◊
Briar wood mouthpiece.
Period: 1952 to late 1960’s
Other brands with such a mouthpiece: Barnaby, Il Ceppo, LHS (Purex Allbriar). Brand with an other wood stem: Salvatella
▲ ◊ Kaywoodie, Campus, Imported Briar ◊
The Campus Kaywoodie line was introduced in 1968 and these pipes do not bear the 2 digit shape code. Campus and Colt series are Kaywoodies smallest pipes (to be smoked between two classes).
▲ (Left side) ◊ Carburetor, Kaywoodie, U.S.PAT.2082106 ◊
(Right side) ◊ 98 R ◊
▲ (Right side) ◊ Chesterfield ◊ (Bottom of stem) ◊ Solid Rubber ◊
No stampings on the left side.
Period: 1924-1971
The Chesterfield is a system pipe similar to
Peterson's.
▲ (Left side) ◊ Kaywoodie, Connoisseur ◊ (Right side) ◊ 88S ◊
Period: 1947-1972, 1996-today
Custom Grain

▲ (Left side) ◊ Kaywoodie, Custom Grain, Imported Briar ◊ (Right side) ◊ 11 ◊
▲ (Left side) ◊ Kaywoodie, Durobit ©, Imported Briar ◊
(Right side) ◊ 09B ◊
Period: 1966-1972
Pipe with a double-bore stem which is more durable if a smoker has a tendency to chew a stem.
Other "twin bore" pipes:
Grand Master,
Leonard's,
Radice
▲ (Underside) ◊ Kaywoodie, Filter Pipe ◊
Period: 1961-1968
To allow the bowl to come free of the shank the retaining pin must be released: just twist the mouthpiece half turn in either direction and pull the bit out of the shank.
More infos here:
Smoking Metal 
▲ (Underside) ◊ Kaywoodie ◊
▲ ◊ Kaywoodie, Filtronic, Pat. Pend. ◊
▲ ◊ Kaywoodie, Flame Grain, Imported Briar ◊
▲ ◊ Flame Grain, Kaywoodie ◊
Period: 1937 - present
Early Flame Grains were stamped Flame Grain over top of Kaywoodie.
Prior to 1935 Kaywoodies never were stamped "Imported Briar" which doesn't mean they systematicaly were after this date.
All the Flame Grains are stamped with a 2 digit code.
▲ (Left side) ◊ Kayvoodie, Flame Grain Meerschaum ◊ (Right side) ◊ 41 ◊
▲ Briar pipe with a removable meerschaum inner bowl.
Period: 1950 - 1955
▲ (Left side)◊ Kaywoodie, Gale ◊
(Right side) ◊ Aged Bruyere, 04 ◊
Period: from 1938 to 1942
Identifying characteristics:
- The lid (see enlarged view)
- Cloverleaf on top of the stem
- 4-hole stinger, with drinkless stamped on it (see enlarged view)
▲ ◊ Kaywoodie, HI-BOWL, Imported Briar ◊