What is the most expensive automata?

In the realm of automata, where intricate mechanisms and precision engineering converge, one might wonder: what is the most expensive automaton? Could it be the intricate Swiss watch, with its intricate gears and intricate designs, or perhaps a sophisticated robotic arm, capable of performing surgical procedures with pinpoint accuracy? Or is it the intricate automata that were once created to entertain nobility in Renaissance palaces, their elaborate designs and intricate movements a testament to the craftsmanship of their makers? As we delve deeper into this question, we must consider not only the monetary value but also the intricate complexities and craftsmanship that truly define the essence of an automaton.