Beatlemania ensued following their Feb. 1964 USA debut on the Ed Sullivan Show on CBS-TV. These 11 buttons were among the first, if not the first, available to American fans. First is full set of 9 lithos at 7/8" which were vending machine distributed. These carry the 1964 copyright of Seltaeb and were made by Green Duck. Exc to Mint., The two larger, also with Green Duck on both curls, also carry on the curls a copyright symbol and "Nems Ent. Ltd. 64". The 3.5" cello covered is quite scarce. This has some light gray age on left and right white panels. Still glossy and Fine. The larger 4" litho is not scarce due to its immense popularity, but this is an exceptional high grade example, NM displaying Mint.