1992 D lincoln lmc ear lobe doubling

Well here we go again a sack full of 1992s and bam here it is looking for some veteran help here its definitely not normal there is another simlar 2006 but this one is a little more aggressive I always looks for the close am this one stuck out like a sore thumb i am send one normal ear and the diffrent ear okay any input would be greatly appreciated very much thank you all
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Put your fingernail on the lump by the ear and push down very hard. You should see a dent in the lump where your fingernail was.
Negative insider 2 the same thing apears no zinc rot present the bow tie area has similar and it just the same solid and firm