What is the name on the grave where the gold was hidden in the film "The Good, the Bad and the Ugly"?

"The Good, the Bad and the Ugly" is a 1966 Italian epic Spaghetti Western film directed by Sergio Leone and starring Clint Eastwood as "the Good" known as "Blondie", Lee Van Cleef as "the Bad" known as Angel Eyes, and Eli Wallach as "the Ugly" known as Tuco. Its screenplay was written by Age & Scarpelli, Luciano Vincenzoni and Leone (with additional screenplay material and dialogue provided by an uncredited Sergio Donati), based on a story by Vincenzoni and Leone. Director of photography Tonino Delli Colli was responsible for the film's sweeping widescreen cinematography, and Ennio Morricone composed the film's score including its main theme.

In the final scene the trio stare each other down. Everyone draws, and Blondie shoots and kills Angel Eyes, while Tuco discovers that his own gun was unloaded by Blondie the night before. Blondie reveals that the gold is actually in the grave beside Arch Stanton's, marked "Unknown". Tuco is initially elated to find bags of gold, but Blondie holds him at gunpoint and orders him into a hangman's noose beneath a tree. Blondie binds Tuco's hands and forces him to stand balanced precariously atop an unsteady grave marker while he takes half the gold and rides away. As Tuco screams for mercy, Blondie returns into sight. Blondie severs the rope with a rifle shot, dropping Tuco, alive but tied up, onto his share of the gold. Tuco curses loudly while Blondie rides off into the horizon.