VARIATIONS

1912:  Type 1 - Tall 1" legend, small 2" diameter seal               1 -  5000

(May)  Type 2 - Short 15/16" legend, large 2 1/4" diameter seal   5001 -  8179, 9181

1915:  Type 1 - Wide 2" dies, holes in corners, Ing-Rich stamp       1 - 19000

(Sep)  Type 2 - Thin 1 3/4" dies, otherwise as Type 1            20001 - 21000

(Dec)  Type 1a                                                   21001 - 21065

(Dec)  Type 3 - Wide 2" dies, holes inset from corners, no stamp 21101 - 21234

1917:  Close slots, all including 35-997, 36-058

       Far slots 36-000

1918:  High hyphen  1-000 - 21-912, 26-768 - 28-257, 30-604 - 30-999, 32-500 - 33-735

       Low hyphen  22-563 - 26-488, 29-128 - 29-373, 31-139 -       , 34-080 - 41-402

1920:  1-2-digits have long dashes flanking number.

       4-digits have low vertically thin hyphen; 5-digits have centered square hyphen.

1921:  Slot positions vary, sometimes crooked or not symmetrical; even different

       within pair.  Far, medium or close slots.  Missing UL slot on one of pair 43-815.

1927:  3-digits have 0 0 0 format; 131 - 157 have middle digit centered,

       231 - 946 have middle digit slightly left of center.

       Type 1 - Gold (defective batch) 3, 157, 367, 2-485, 4-376

       Type 2 - Orange 22-200, 25-257, 107-716, 111-256

1929:  1-4-digits have more space between "MAINE" and "1929" than 5-6-digits.

1932:  1-4-digits have less space between "MAINE" and "1932" than 5-6-digits.

1933:  1-4-digits and 6-digits have less space between "MAINE" and "1933" than 5-digits.

1934-35:  Legend off-center on double-letter series only.

1935:  Single letters 3" tall, double letters 2 1/4" tall.

1938:  Type 1 - Short 7 3/8" slogan       1 -  44-000

       Type 2 - Long 8" slogan       50-412 - 161-414   (111,003 P)

1939-41:  1-4-digits have short 7 3/8" slogan, not long 8" slogan.

1940:  #43-86 has the hyphen moved on purpose for Brig. Gen. Albert Greenlaw,

       for 43rd Regiment of the 86th Brigade of the National Guard.

1942:  Type 1 - Short 7 3/8" slogan       1 -  74-803

       Type 2 - Long 8" slogan       75-930 - 176-442   (100,513 P)

1944:     1-5-digits light steel, 6-digits heavy steel.

1948-55:  1-4-digits have short 7 3/8" slogan, not long 8" slogan.

1950-on:  4-digits have no hyphen.

1955 TAB:  Late issues glossy dark blue, not beaded medium blue.

1961:  Error, tab slots at lower left 457-076.

1987-2000 BASE:  UNPAINTED BACK         LIGHT GREEN BACK

                     1 O - 77471 Q      78023 Q -

                 79632 Q -              86313 Q - 98842 Q

                  6685 R - 68989 V      78704 V - 81677 V

                 89702 V -              95412 V - 15973 W

                 27126 W - 99999 Z         (36,066 P)

                 NUMBERS FLUSH LEFT     NUMBERS TO RIGHT

                 1012 AZ - 9468 CP       200 CQ - 9806 CR

                  121 CS -  951 CT      5036 CT -  990 CW

                 1276 CW - 6340 CX      2603 CY - 9700 ER 

Month sticker changed to Black/White 3/5/1999, with JUNE and JULY now spelled out.