Thanks to everyone who suggested captions on the Dock blog and Facebook – but I think I have to give it to Sheila:

Honourable mention to Alan who correctly spotted that i was desperately fighting to stop gesticulating wildly while talking, as I usually do, in case the security forces thought I was waving my arms in a threatening manner!

If you want to find out what Her Maj and I actually did chat about, exactly a year ago as I write, click here.