Serial numbers are usually on the back of the seat-tube, although there are some reports of the "Twenty" having them on the left rear drop-out.
From 1966-1973 Raleigh used a serial number system with a letter code indicating the year of manufacture hence:1966 - A1967 - B 1968 - C (First year of manufacture for the "Twenty")1969 - D1970 - E1971 - F1972 - G1973 - HSome cross-overs at the start and finish of years did occur, so it is not 100% accurate, but it is a good indication. It was two letters followed by a series of numbers. My "Twenty" is NA5000029."N" - Should be the first letter for the Raleigh Twenty, denoting "Nottingham""A" - A-Z indicating which fortnight of the year that the frame was made."5" - A number from 0-9, the last digit of the year in which the frame was built.
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Johnston County authorities on Monday released recordings of 13 911 calls and official radio traffic in relation to the shooting of Tina Renee Medlin, who remains in critical condition at Wake Med.
Raleigh were to manufacture it, but dealings went sour and Moulton bicycles were manufactured elsewhere.
Usually, a hub is built into a bicycle wheel within a couple of months of manufacture, and the practice has been to date bicycles with 11 or 12 month codes as being of the following year.
eg 72-11 indicates a manufacture of November 1972, but the bicycle would be said to be a 1973 model.