PAIRS
PAIRS: 1911-44, 1947-51, 1953-present,
stickers 1973-77, 1980-85.
SINGLES: 1945-46, 1952, stickers 1978, 1986-present.
NOTE: 1946 plates for 21/99 counties were made in pairs before steel
became unavailable again. The mates were not issued, but sent
back to Des Moines from each county (Adair through Clay).