Pennies that appear to have written letters on ate important ?

Hello how are you I'm new in this amazing world l have just discovered , and l wish you help me with some of my question l have a lot coins with things that appear to be letters l mean like ghost letters
Ate they important
0
Answers
@lony welcome to CU. If you can chose a particular coin, post a sharp image of both sides and tell us what you think you see, you may get a response. Good luck. Peace Roy
BST: endeavor1967, synchr, kliao, Outhaul, Donttellthewife, U1Chicago, ajaan, mCarney1173, SurfinHi, MWallace, Sandman70gt, mustanggt, Pittstate03, Lazybones, Walkerguy21D, coinandcurrency242 , thebigeng, Collectorcoins, JimTyler, USMarine6, Elkevvo, Coll3ctor, Yorkshireman, CUKevin, ranshdow, CoinHunter4, bennybravo, Centsearcher, braddick, Windycity, ZoidMeister, mirabela, JJM, RichURich, Bullsitter, jmski52, LukeMarshall, coinsarefun, MichaelDixon, NickPatton, ProfLiz, Twobitcollector,Jesbroken oih82w8, DCW