Each of these is 1-3/8” to 1.5” long. All pairs have matching license plate numbers with most from the same year but with some from two different years. Pairs include: NY 1950, 1956, 1958, 1960, 1964. PA: 1951, 1955, 1955-57, 1958, 1958-59, 1959-61, 1962. West Virginia: 1959, 1961, 1964. Maine: 1956-57. Ohio: 1955. CT: 1965-66. Ill.: 1966. Calif.: 1961, 1962-63. NH: 1962. Ind.: 1961. That totals 24 pairs. In a slightly larger format with embossed aluminum reverse (a few are encased in plastic more than aluminum) there are: NY five undated pairs, Ill 1967, PA 1950 and 1968 (two sets) NJ one, Calif one, NJ one, WV 1967-70, Ohio one. Also included is card as issued with North Carolina 1968 pair. There is also an unopened mailer from North Carolina also from 1968. There are also four cards 3.25x5.25”. These have a single from NY 1964, a pair from NY 1964, a pair from NY 1950, and a pair from Virginia 1961. Trivial defects from use. A lifetime collection. Most are Exc. to Mint.