Not sure if the ones in Jay's complex were the original machines or not. That could only be possible if the commercial Hotpoint machines were changed to the GE design earlier than the home models, which occurred in '74.
The one shown is the shaded Avocado, so is earlier than '77. I think the one at the condos was also shaded, but not certain.
Did the early GE based Hotpoint commercial washers have the side opening lid like the home models, or did they always have rear opening GE type?