Answer:
Sign 31-116, with imagery of a tonsured cleric and an illuminator, likely denotes historical or cultural significance related to the Church or medieval manuscript illumination.
Step-by-step explanation:
The sign 31-116 referred to in your question appears to be a type of historical marker or cultural sign. Based on the description provided, the illumination's bottom register depicting a tonsured cleric and an illuminator suggests that this signage may be informing viewers about a place of historical significance related to the Church or where manuscript illumination was done during medieval times.
Since we do not have a visual of the sign and given the specificity of the information, it's possible that this sign is associated with a particular location relevant to ecclesiastical history or the history of art and literature.