Managed to get this at a decent price, and this vehicle originates from The Empire Strikes Back, my favourite Star Wars movie.
I do recall that my first POTF2 loose pair of AT-ST cost S$30. That version had a spring lever which would make the legs swivel as if to simulate walking. That version was quite top heavy, which meant the head of the vehicle tended to lurch lopsidedly. More than 10 years on, this revised version doesn’t boast of that mechanism, but instead has well-articulated legs. Amazingly after inflation, the cost of the vehicle, minus the 3 figures that came with it in the Attack on Hoth set, came to about the same price I paid for the loose older versions way back then.