Just trying to figure out when the picture was taken. Judging from the short hair, dark plastic rimmed glasses, thin lapels on the usher, Karl's hat and other's clothing, it was probably 1964 or 1965. By 1966, even slightly longer hair styles started becoming the norm and a year or so later so were metallic framed eyeglasses.
MET POWER, however, is a suitably radical late-60s message.
My guess its a takeoff of “Flower Power” so that would mean circa Summer of '67?
Looks like the revolution failed to reach the box seats.
I just wanna find myself one of those spiffy jacket-and-bow-tie (presumably in orange) that the characteristically cheery usher is sportin'…
GET THE SHIRT!
The Faith and Fear in Flushing "numbers" shirt has been seen from Verona, N.J., to Venice. You can get yours right here -- price about as cheap as we can make it.
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Faith and Fear in Flushing: An Intense Personal History by Greg Prince (foreword by Jason Fry), is available from Amazon, Barnes & Noble and other online booksellers.
THE HAPPIEST RECAP
Volume I of The Happiest Recap: 50+ Years of the New York Mets As Told in 500+ Amazin' Wins by Greg Prince is available in print and for Kindle on Amazon. Order a personally inscribed copy from the Team Recap Store on eBay.