1921-1945

Era 1921-1945
Letter coding only.


LETTER TONS (up to)
years verified
 H < 1
1921-1971
 I 1 1/2
1921-1938
J
TON
1930-1960
K
2 1/2
1924, 1927
L
3
1934-1958
M
3 1/2

N
4
1927-1956
O
4 1/2
1926
P
5
1954+, used with specific weight
Q
>5
1926

1921 (single)

red/black


1922
(single)

black/white


1923
(single)

white/dark green
variation known without dash

1924
(single)
script "SC" in circle
black/orange


1925
(single)

white/green


1926 (single)
"SC" inside Palmetto Tree design
green/white


1927 (single)
"SC" inside Palmetto Tree design
green/white


1928 (single)

black/yellow


1929 (single)

black/white


1930
(pair)
"IODINE" vertically on right side
white/black


1931
(pair)
"THE IODINE STATE" bottom
green/gray


1932
(pair)
"THE IODINE STATE" bottom
black/yellow


1933 (pair)
"THE IODINE PRODUCTS STATE" bottom
black/white


1934 (pair)
"APRIL 30" top or "OCTOBER 31" bottom
black/yellow(April) yellow/black(October)


1935
(pair) 1/2 year
"APRIL 30" top or "OCTOBER 31" bottom
color variations:


red/white; white/red; black/white; white/black
no rhyme or reason known as to color variations


1936
(pair) 1/2 year
"APRIL 30" top or "OCTOBER 31" bottom
yellow/black(April) black/yellow(October)


1937
(pair) 1/2 year
unknown if APRIL exists - all I've seen are OCT
black/white


1938
(pair)

black/yellow


1939 (pair)

black/white


1940
(pair)

yellow/black


1941 (pair)

black/yellow


1942 (pair)

yellow/black


1943
(single)
restamped from collected plates - most '42; rare unstamped exist
no letter, assumed overflow of H-class
yellow/black


1944
(single)
strip applied to existing 1943;
weight class matched, plate number did not
yellow/green


1945
(single)
normal plate; no letter, assumed overflow of H-class
yellow/green


















repainted plate;
I believe wrong colors



















































































non H, opposite colors?






























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