History Pages →
Trailer
1920 - 1929
1920
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: No plates known to collectors All plates measure 6" x 16" (unconfirmed) |
 |
Not offered on this format | |
1921
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: T270 - T800 All plates measure 6" x 16" |
 From John Willard |
Not offered on this format | |
1922
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: T 20 - T 588 All plates measure 6" x 16" |
 From ALPCA Archives  (Repainted) From Bill Krellner |
Not offered on this format | |
1923
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: T 655 (only on plate known) All plates measure 6" x 16" |
 From Clayton Moore |
Not offered on this format | |
1924
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: TT 142 - TT1-875 Plates measure: - TT + 1 or 2 numbers: 6" x 10" (unconfirmed) - TT + 3 numbers: 6" x 12" - TT + 4 numbers: 6" x 15" |
(6" x 10")  (6" x 12") From ALPCA Archives  (6" x 15") From Bill Krellner |
Not offered on this format | |
1925
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: TT 511 - TT2-347 Plates measure: - TT + 1 or 2 numbers: 6" x 10" (unconfirmed) - TT + 3 numbers: 6" x 12" - TT + 4 numbers: 6" x 15" |
(6" x 10")  (6" x 12") From Bill Krellner  (6" x 15") From Clayton Moore |
Not offered on this format | |
1926
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Format 1 (Full-size "TT") Observed serial range: TT1-338 - TT2-511 Plates measure: 6" x 15" No numbers under 1000 known, it is unknown if other sizes exist for this year |
 From Eric Tanner |
Not offered on this format | |
| Format 2 (Smaller "TT") Observed serial range: TT2-837 - TT3-042 Plates measure: 6" x 15" This is the first year that Pennsylvania plates made letters smaller than numbers, which is still in effect today! |
 From Bill Krellner |
Not offered on this format | |
1927
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: TT3-454 - TT3-547 Plates measure: 6" x 15" No numbers under 1000 known, it is unknown if other sizes exist for this year |
 From Bill Krellner |
Not offered on this format | |
1928
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: TT-63 - TT3-186 Plates measure: TT + 1-2 numbers: 6" x 13" TT + 3-4 numbers: 6" x 15" |
 (6" x 13") From Clayton Moore  (6" x 15") From Bill Krellner  (6" x 15") From Clayton Moore |
Not offered on this format | |
1929
| Notes | Number Plate | Personalized Plate | Sample Plate |
| Observed serial range: TT1-315 - TT4-820 Plates measure: 6" x 15" |
 From Clayton Moore |
Not offered on this format | |