Originally Posted by Pizza God
I would say that was a membership card from 1984
But because of the sticker, it makes me would think it from 1982 when the PDGA was turned over to the players.
No, 1984 sounds about right. I think that the first address that you can't see was for Joe Feidt, who was the future editor/publisher of the original "Disc Golfer" newsletter/magazine for the PDGA.
Here is a pic of my card from then as well as my IFA membership card I received after I passed the IFA Expert test (C. 1978):