IMO the 1981 & 1986-D looks like they were struck with grease filled die. Glue or some other clear substance on the 1994.
The Bust of Lincoln is doubled notice the bottom part of coin on the 1994 why is that? and on the reverse is all types of mint errors .IMO...I'LL wait for other information...I'm not saying what i think it is in case I'am mistaken. Thank You for your information
The bust is not doubled. That curved line above the bottom of the bust is the way the glue, or whatever it is, stopped flowing. Call in the experts: @Fred Weinberg; @paddyman98; @JCro57; @furryfrog02; and all others who specialize in error coins.
Yes I thought oh just glue on the 1994 then I really looked notice other anomalies and now ..I'am just wondering? ..Thank You for your concern..
I'm just going to say Post Mint Damage. I see nothing that could have occured during the minting process
Thank You...YOU are saving me from lots of let downs . ...I definitely Appreciate this Fact of life. Thank You Paddyman