Don't give up so easy. Doubled dies are rare finding them requires patience, access to tens of thousands of cents, knowledge, and luck. When you find your first 1972 D ddo-001 or 1960 D rpm FS-501 the lights will come on. Buy a 1995
DDO for $20.00 and you will figure it out. The gang celebrates finds as most know its a big deal finding a good one. I don't have the patientce to respond to posts as most are elementary and many posts have been covered adnauseum. If you use the forums search engine probably any question you have has been covered in depth. Don't blasey the site, there are experts here (as in a lifetime of knowledge) this is only one series probably your first lighten up and enjoy. If I had a cent for everytime I was wrong on this site I could buy a proof 1964
Kennedy half in PF67. Two years from now you will have a folder full of minors and probably a few good strong Fivaz-Stanton's. I'm at 1.400,000 and have about 100 minors and about 10 good ones additionally over 200 RUM's , capped dies, greases,
Cuds, oddities, etc. You will evolve but not if you stop before you begin. Keep searching and good luck.