Congrats for that but i guess there will be no profit from that in this days now.
Back in the days when they was coming out and i got a few ones it was very nice to play around with them.
For sure if you have a coin that has not that much miners or you have a lot of Moonlanders together connected they are still useful.
There are a few ways to overclock them but this can break them or make them not working perfectly.