Gertrude - Opinions Needed!

Hello All,

I am currently an A level textile student and have decided as part of my coursework to create a theatrical and historically accurate costume with my influence being Gertrude from Hamlet. My single interpretation of how she would dress is not going to be enough to base decisions about the style of the costume on and so I would really appreciate any input, interpretations or ideas you could provide!
Please consider - Her role in the plot as well as her movement on stage
- Her personality.
- The setting and era.
- Her status and her use within the plot.

Thankyou!