To keep things ticking over here is a relatively simple set of flags, the colours of the 2nd or Coldstream Guards in 1684 (but which may also have been carried through the 1670s):
Kronoskaf's WSS site has a detailed account of the regiment here: https://kronoskaf.com/wss/index.php?title=2nd_Foot_Guards saving me the effort! The colours changed often over the next twenty years so these are suitable only for a short period...