Quick update, first half of the silicone mould's now made, looking good so far! Also I finished making the two poles today and I have to admit that they came out far closer to the originals than I expected! I'm intending to sell the poles as part of the 'kit', but I can produce these seperately if anybody requires replacements for their own C5's.
As expected, the coating is a lighter grey, and the two poles that I have made are about 3 inches shorter than the originals, but I can make them to the same length as the originals for extra cost. They look fantastic, and having heat shrink like the originals will last a long time, especially compared to the 'painted' surfaces that I imagined them to have! They do, incidentally, fit really well as I've left a bare 4mm at the base which fits perfectly into the holes on my C5, but you may need to file the hole out slightly to accomodate your flag.
The cost for two poles at 50cm (shorter than original) will be £12.50 including UK postage, abroad will be slightly more.
The cost for two original length poles (measured directly against mine!) will be £20 including UK postage.
Apologies for the dodgy photos, but my C5 stays firmly in the dining room when there's bad weather around so I can't take better ones at the moment!
Reproduction poles on C5Reproduction on left showing size/colour difference against originalClose up showing heat shrink on reproduction pole