Lamination or RIDB

Here is one from pocket change. It's a details coin, which makes it hard for someone with aging eyes to fully make out the coin. There are two IDB's that don't match anything on Cuds on Coins. Then we have the forehead and hair, I lean towards a Retained IDB, but it doesn't match any of them either.
What do you think?

 

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Hopefully these are some better photos.

 

The crack on th head looks like it could be a lamination. I'm not familiar with the term "retained interior die break." It seems confusing.

"Piece out of the die" always made more sense to me.

Diseased stalk was one of the terms used for breaks on wheat stalks.

 

The B in LIBERTY is a die crack that filled in the bottom portion of the B. The line in the hair appears to be a lamination.

 

"Ding, Ding!!" You're both correct. Pass Go, collect $200.

 

Definition: A retained interior die break occurs when a flake detaches from the die face but, instead of falling off, it sinks into the surrounding metal.

Attached is a photo of a similar RIDB, this one is also on a 57D Lincoln.

The above is
RIDB-1c-1957D-13
https://cuds-on-coins.com/lincoln-cent-retained-interior-die-break-1909-1958/

An idb is not a die crack, it is a chunk of metal that fell from the die face causing a void or raised blob of metal that looks like a featureless blob.
Same as a filled MM.

 

Lamination of RIDB?

 

Yeah, looks like a RIDB to me but I'm no expert. Maybe @paddyman98 knows about this? Is this a different coin?

 

Brain tumor

 

Same coin Sal.

 

RIDB

 

I was looking thru the LIB's area. and noticed some of your amazing photos, and examples. I wish I could take photos like that.

 

Thank you for the kind words!

 

This is the best condition RIDB that I have in my collection.

 

Super Nice! I think that's the only cud known for 1955-S. Would love to get hold of one of those.

 

I would have to look it up. I love to hit the brick and mortars.

 

In case you're interested, just in case. I found your here....Lincoln Cent Cuds; 1950 – 1959 : Cuds on Coins

 

RIDB.

 

It has both an IDB and RIDB on the obverse but it has a reverse cud and listed as:
CU-1c-1955S-01R

 

I think that Dyno was referring to the 57D,

The 55S has 3 attributions. it is also listed as
IDB-1c-1955S-01 and RIDB-1c-1955S-02.