Was a First Day of Issue SBA Dollar Ever Offered by the U.S. Mint?

I realize that there are Souvenir Sets, Mint Sets, and Proof Sets, all containing the first year of issue Susan B. Anthony dollar, but did the Mint ever issue an official FDC or cachet of some sort which contained a SBA?
Back in the 70's I remember reading an article in CoinAge about a collector who had glued a first-day-of-issue 1964 Kennedy half dollar to an envelope and then had the local post office clerk postmark it. I did the same thing with two SBA dollars on July 2, 1979. Did anyone else do something like this? What other options were there for a FDI coin in 1979?
Back in the 70's I remember reading an article in CoinAge about a collector who had glued a first-day-of-issue 1964 Kennedy half dollar to an envelope and then had the local post office clerk postmark it. I did the same thing with two SBA dollars on July 2, 1979. Did anyone else do something like this? What other options were there for a FDI coin in 1979?

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The name is LEE!
but I don't know if they are mint issue. They're pretty attractive really but not scarce.
<< <i>You have a set of "What" in stock?? >>
Wot?
yikes! and we think the prez bucks are yucky..................sba what an ugly broad
<< <i>yikes! and we think the prez bucks are yucky..................sba what an ugly broad
Oh, be nice.
There are a few pictures of her when she was in her late-20's that she looked vaguely handsome.
As this is my first reply, I would like to thank everyone for the great information and have learned so much reading all your responses.
<< <i>The Postal Commemorative Society issued First Day of Issue Coin Covers. The coin covers contain new coins struck at all three U.S. Mints (Philadelphia, Denver, and San Francisco) that were first released to the nation on July 2, 1979.
As this is my first reply, I would like to thank everyone for the great information and have learned so much reading all your responses. >>
Welcome aboard.
Thanks for the info. This is probably the one I'm thinking of. There's some green on the envelope and it reminds one of currency.
http://home.earthlink.net/~smalldollars/dollar/page09.html
<< <i>Info on SBA First Day Covers:
http://home.earthlink.net/~smalldollars/dollar/page09.html >>
Thank you, but these aren't the ones I'm thinking of.