Possible Clues:

• Desktop item
• Old-fashioned pen holder
• At home Kathleen gets to go before the people for writing letters in the past
• Smart bear nicking king’s desktop device
• Holder for writing materials
• It?s for His Nibs, Stanley Baldwin, at the centre for old man of letters
• It's for His Nibs, Stanley Baldwin, at the centre used by old man of letters
• Something for the old writer in cocktail is similar to 24 across
• Headless jink in the football stadium is for the benefit of old writer
• Fancy pen holder