Looks like a tilted partial collar.
Welcome to CT! Unfortunately it looks like PMD, post mint damage. The anomaly is concentrated on the devices, the high parts of the design. The...
Looks like an blank planchet with PMD.
http://www.error-ref.com/die-deterioration-doubling-incuse/ Here’s a good reference.
Very nice!
Appears to be MD, flat and shelflike. http://doubleddie.com/144822.html
Very nice! It would be interesting to see a later die stage.
That’s the general process for doubled working dies and working hubs in the double squeeze + method (pre 1996). The single squeeze process is...
Welcome to CT. Can you post full (not thumbnails) clear pictures of obverse and reverse of the coin out of the flip? Also a closeup of the mint...
Red Book.
It’s PMD, post mint damage. Welcome to CT!
I couldn’t attach the link but here’s a similar, way overpriced example. :(
This is common on 2003-D.
Is that a step on the east side rim of the reverse?
What does the edge look like?
Here’s some good information: http://www.error-ref.com/horizontal-misalignment-of-the-hammer-die/
I’ve not seen circular polish patterns (not say there may be some) but I have seen criss-cross patterns. Take some time to look at some die...
Can you show where you see the doubled die?
The leaf tip shape and tip location above the Q and U.
The 1965 and 1966 are RDV-005. The 1967 is RDV-004.
Separate names with a comma.
