A few errors I found

[CaliShawnNokc]

I've gone through my cherrypickers guide, but the years aren't showing these errors. They do show in other years however. Any clues to the values?
1991-P with triple ear




1972-D Double die obverse




1972-D Extra feather/Double die reverse




1991-P Double die obverse

 

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[CaliShawnNokc]

Sorry for the out of order pictures, I posted from my cell.

 

[Corroded_Copper]

Sorry, but none of these are doubled dies. Just machine doubling and die deterioration. No added value. Sorry!

 

[CaliShawnNokc]

Sorry, but none of these are doubled dies. Just machine doubling and die deterioration. No added value. Sorry!

Bummer! How can you tell? I looked at the examples in my cherrypickers guide and and compared. That's why I thought they were. I appreciate you telling me though. How about the extra feather?