After you have been in it too long and start doing volume you will let most of the minor doubled dies get away.
I still set all of the 1974D I find aside to check for the
DDO. All of the others the coins has to be UNC if you want any luck of seeing the doubling. I once set aside all of the possible doubled dies aside and out of $2K I had $400 in coins to look through. I don't have the time to do that.
The 1972D and 1982 no FG are easy to spot quickly but I have given up looking at 1972D as there are just so many even though it is so easy for some reason.
If you want to take it to the next level look for the ones with rotated dies, struck on quarter stock, clipped planchets, struck through debris, partial collar strikes, and a whole lot more.
While I have found a lot I bet I have missed just as many due to the volume searched.
Good luck in your future hunts.
You can also collect junk you find like I do with my $400 face in rejects. Anyone can find a 40%er or a Franklin but finding stickered coins, lowball coins, magicians coins, counterstamped coins, toned, weird ED, etc are much harder to find.
Most of my reject and variety pics are somewhere buried on my other photobucket account


