Filofax Models - Royal Residences

What Filofax models have been named after Royal residences/palaces?

• Balmoral - The summer residence of the late Queen Elizabeth II
• Windsor (Castle) - The official residence of the sovereign King Charles III
• Buckingham (Palace) - The official working residence of the sovereign King Charles III
• Kensington (Palace) - Home to the young royal family. 
• (St James's Palace and) York (House) - York House is used as offices for the Prince of Wales and Duchess of Cornwall. 

Some of the Filofax names have been used twice, Alan Marshal did a full post explaining which ones covering all of the models. You can read it here. 

A Filofax for a Royal Prince and Princess?

So this is the week of the Royal Wedding. If you were asked to chose a Filofax for William and Kate what would you chose?

• Which model?
• Which size?
• Which colour?

And say which one it would be for William and which one for Kate....