Do what I did. Go to either PCGS or NGC. They have pictures of each variety they recognize. Try to match your coin to the one's they have certified. there is also a Reeded Edge Newsletter you can subscribe to. the letter is mentioned in just about every issue of the E-Gobrecht Journal. go to Liberty Seated Collector club page and look under Online Resources. james
It’s very hard to attribute RE half dollars without an attribution guide. @mrweaseluv Jim Koenings recently published a book on the RE halves, contact me for more information if you‘re interested PS: there‘s also a newsletter on 1836-39 reeded edge halves: https://nnp.wustl.edu/library/publisherdetail/540192?Year=2024&displayAmt=50