Where the heck did you get that? Please say in circulation! Looks totally correct but let's get more opinions.
That's where I'm leaning. Look at the Posters coin compared to this: See the mintmark compared to the real error?
Gosh if it was one, that would be wonderful ! The nine looks good and the notch on the six looks legit. Please don't tell us you got it from Etsy. Compare it with known specimens: https://www.pcgs.com/coinfacts/coin/1969-s-1c-doubled-die-obverse-rd/images/2923
Here is a timely article related to your coin in question. https://coinweek.com/rare-1969s-ddo-lincoln-cent-buyers-seeing-double/
I'm not 100% sure either way but I'm leaning towards authentic. If so, awesome find!!!, here is a comparison if it helps anyone:
Mushyness in the date and mint mark could be artifacts of circulation. For sure that isn't a full Red MS example. Z
See if you can see any of the die file marks on the reverse, the one under the R shows well and should be fairly well protected on a circulated coin. It might help if you are able to post a photo of that area.