Sorry, the blog thing was a bad assumption on my part.
Can you explain where your reference to "Feisel" in the subject line came from?
Sounds like you have as much information as anyone about the coin's origins.
Since the token includes the year-end record total, I figured it would have been distributed the following year. The 1983 pocket scedule lists thae various givaways at each game, but there's no "Rickey Henderson Coin Day" unfortunately. It does list a Granny Goose Player Card Day and a Mother's Cookies Team Picture Day. It is not on the 1982 pocket schedule either, because obviously that would have required them to predict the results before the season started.
I wonder if any sports reporters would have mentioned the giveaway in a newspaper report of the game at the time. Or it may have been mentioned in an advertisement for the upcoming game. You might try local Oakland librarys to see if any of them have made available scaned images of newspapers from that timeframe.
If the token had a mintmark on it, and the mint were still in business, they may be able to locate records of when it was struck and who ordered it. Unfortunately, the shrinking use of tokens over the last thirty years has led to a lot of consolidation in the industry, and many of the mints that would have been in operation at the time are now long closed.
-Tom
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