Rupert Willows, the OP, is a valuer at TW Gaze, so any interested parties with queries might like to contact him direct via the TW Gaze website by phone or email. Advice to remote bidders and on shipping arrangements can be found at this link:
https://www.twgaze.co.uk/auctions/remote-bidding/
I see that the sale is of the 'Taylor Collection'. For the avoidance of doubt, it isn't mine, which is far more modest!