Possible Clues:

• Patrick in a film of old
• Just so in a film
• Copper finish
• A metal container found in father's coat
• Fine layer on surface (from oxidisation or handling)
• An Irishman may get in a surface, as of old
• Irishman in a film
• Surface film on ancient bronze
• From Ireland in a way that, on the surface, is old
• Distinctive surface acquired over time