Signifer Corniculario with various signs and Roman (from the Trajan column) 

This etching by Giovanni Battista Piranesi depicts details from the Trajan's Column in Rome, a 125-foot tall marble column erected to commemorate Roman Emperor Trajan's military victories. Piranesi, renowned for his architectural engravings, meticulously recreated the intricate carvings on the column, highlighting the Roman standards, armor, and various military paraphernalia. This detailed study, typical of his work, reveals Piranesi's fascination with Roman architecture and his commitment to documenting historical details. It was particularly popular among art enthusiasts and scholars interested in the history of ancient Roman culture.