DELAWARE

Highest 1907-09 prestate plate known:  #984

1909   1065 -  1438                           1930      5 - 44-720

1910      6 -   876                           1931      5 - 47-999*

1911     19 -  1295                           1932      5 - 46-643*

1912      1 -  1708                           1933      1 - 47-875*

1913      3 -  2328                           1934      5 - 46-380*

1914      8 -  3195*                          1935      5 - 47-859*

1915      8 -  4690*                          1936      5 - 50-796*

1916     20 -  6922                           1937      5 - 52-905

1917      5 - 10665                           1938      5 - 54-904*

1918      5 - 12942                           1939      5 - 57-897*

1919      5 - 12264                           3-31-41   3 - 59-365

1920      5 - 16255                           3-31-42   5 - 59-142

1921      5 - 20701

1922      5 - 23-274   (Truck began 1923)

          PASSENGER            COMMERCIAL              TRACTOR

1923        5 - 24-883       25-001 - 30-148

1924        5 - 19-944       22-457 - 23-885

       30-171 - 38-584

1925        5 - 27-466       30-001 - 37-396       37-801 - 38-000

       45-038 - 47-548

1926        5 - 36-246       40-001 - 48-119       50-001 - 50-414

1927        5 - 39-492*      50-001 - 58-002       70-001 - 70-246

1928        1 - 49-837*      51-750 - 63-618*

1929        5 - 46-851*         C 1 - C8-096       C9-500 - C9-800

1923-28:  Commercial/Tractor plates have rounded sides.

1925:     47-509 highest listed in registration ledger.

          Commercial 37-396 highest listed in registration ledger;

          37-801 - 38-000, later 37-601 - 37-688, issued to Tractors.

1929:     Convertibles used passenger block 43-001 - 43-900.

1941-48 PORCELAIN BASE

7/1/41  "12-31-41"  Type 1            5  - 75-991        (75,987 P)

Jun.45   "9-30-45"  Type 2        76104  - 77119          (1,016 S)

Mar.47   "6-30-47"  Type 3        77-125 - 86-960         (9,836 S)

                                                  (TOTAL 162,835 S)

Description of Types:

Type 1 - Delaware dies, hyphen

Type 2 - New thin dies, no hyphen

Type 3 - Pennsylvania dies, hyphen

Issued to new registrations only 7/1/1941 to 3/31/1942, with half-year

expirations available, thus "12-31" and "41" tabs issued.  Issued to

renewals 4/1/1942.  Highest numbers (somewhere between 59-142 and

75-883) issued first; known plates as follows:  66-316 "12-31-41",

62-936, 64-683 "3-31-42", 58-738 "9-30-42".  Front plates removed 1943-44.

Highest pair verified:  71-923

1948-59 BLACK RIVETED BASE

4-1-47   "3-31-48"  Type 1             4 - 131203

1-1-51  "12-31-51"  Type 2             4 - 190000

2-1-58   "9-30-58"  Type 3             4 - 185983

Description of Types:

Type 1 - Stainless steel numbers on stainless steel base

Type 2 - Reflective white steel numbers on aluminum or steel base

Type 3 - Reflective white steel numbers on 6" x 12" steel base

Dormant numbers periodically reassigned as available 1948-present.

#999999 reached May 1998.

1959-63 BLUE RIVETED BASE

10-1-58  "9-30-59"  Type 1          1011 -  29423

10-1-58  "9-30-59"  Type 2         11757 - 133905

10-1-58  "9-30-59"  Type 3             4 - 192813

Dec. 59  "9-30-60"  Type 4             4 - 163852

Jun. 59  "3-31-60"  Type 5             4 - 212784

Description of Types:

Type 1 - 5 1/2" x 11", steel, "DELAWARE" flattened, then screened

Type 2 - 6" x 12", steel, "DELAWARE" flattened, then screened

Type 3 - 6" x 12", steel, "DELAWARE" screened, straight leg "R"

Type 4 - As Type 3, but aluminum

Type 5 - 6" x 12", aluminum, "DELAWARE" screened, curved leg "R"

        (Palmer reports blue 150672 as 5 1/2" x 11")

1963-2020 FIRST STATE BASE

8-1-62  "JUN 63"  Type 1               4 - 261347

Oct.68  "SEP 69"  Type 2               4 - 999998

Description of Types:

Type 1 - Riveted numbers, no border

Type 2 - Flat, screened numbers, border, new colors

Type 3 - As Type 2, but riveted numbers (replacements only)

All bases 1941-present currently revalidated.  Exact reproductions

of Porcelain and Black Riveted bases allowed starting May 1986,

with only allowable difference being bolt slot location.