Final answer:
The form of the Sarcophagus of the Spouses is terracotta, a key medium for Etruscan artisans given the lack of marble. This anthropoid sarcophagus provides insight into the funerary customs and social life of the Etruscan elite.
Step-by-step explanation:
The Sarcophagus of the Spouses is a remarkable example of terracotta artwork from ancient Etruria, significant both for its artistic value and the cultural insights it provides. Crafted as a burial container, this anthropoid sarcophagus depicts a man and woman reclining as if at a banquet, suggesting the social customs and status of Etruscan elites. The technical achievement of this piece reflects the highly skilled coroplastic workshops of the time. Displaying a high level of craftsmanship, the sarcophagus was likely an elite commission, emphasizing the importance of funerary customs in reinforcing community standing among the Etruscans.