"I stopped collecting coins 20 years ago"

I just don't get it with some people. Do they really think we are stupid? Here's a good example, guy claims he quit collecting 20 years ago, but he is selling a green label PCGS slab. If he quit buying coins 20 years ago, how did he come up with a green label slab that made it's debut 13 years ago?
81-S Morgan Green Label
81-S Morgan Green Label
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Comments
When was 20 years ago? 1983?
When did PCGS open? 1986?
The seller is either a liar or retarded.
I'm interested in your Morgan, but like to kinda know the pedigree before I buy them. Could you tell me how long you've owned this coin. I noticed in your auction you stated that you stopped collecting 20 years ago. Is it safe to say that you've owned it that long.
Thanks in advance!
Chris