Watch List notes:

French Revolution, Freemasonry: Festival of the Supreme Being and the immortality of the soul in Champs de Mars, 20 prairial year 2 (June 8, 1794). Matrix Brass; Ottone (g 42,7; mm 52,5); View of Pyramid or Mountain Mitica. Grand and solemn feast to which Robespierre demanded the painter David as a set designer and Blaster bolognese Ruggieri for the pyrotechnics. Not repertoriata in the texts we consulted.
Very very rare, about xf.