Two interesting types of Radar Notes are ladder radars and repeater radars. This assumes that the note in question has eight numeric characters in the serial number ranging from “0” to “9” and also that the eight numerals are divided into two sets of four digits, with the second set a complete reverse arrangement of the first set. Given the mathematic parameters within which Radar Notes exist, the chances of finding one among any given group of notes is about one in 10,000. Numismatists love weird things on their money, and a Radar Note is quite unusual. While some palindromes can convey a history lesson and others simply conjure up strange images of feline foodies, numismatic palindromes offer a world of possibilities for collectors. A popular palindrome phrase is, “A man a plan a canal Panama.” The “man,” as historians know, was United States President Theodore Roosevelt, the “plan” was a shorter maritime path between the Atlantic and Pacific Ocean basins, and the “canal”? That would be none other than the Panama Canal, a 50-mile artificial channel that was carved through the Central American nation of Panama and opened in 1914.
#Fancy serial number checker series
This Series 1977 $100 Federal Reserve Note has a “radar” serial number reading “00099000.” Image is courtesy of Heritage Auctions, Click image to enlarge.Ī palindrome is really just any kind of alphanumeric pattern that has the same order of characters when read in either direction.
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