Possible Clues:

• Wall painting made on wet plaster
• Wall painting — work for civil engineers?
• Those pre-eminent in Florence really enhanced several centuries of painting
• Decoration for forces after action
• Picture of old cold farm worker returning
• Type of painting such as Michelangelo’s The Last Judgement
• Detailed new firm to deliver painting
• Forces change in method of painting
• Unoccupied Caledonian with energy and time to shift artwork
• 'The Last Supper,' for one