Okay, try again: the calendar goes to... Evelyn Oldroyd! No, wait, she's got one already. Does she have one already? Yes, yes she does. Is it definitely the 1998 and not the 1997? Yes, it most certainly is.
Oooookay, try again. The calendar goes to... Ron Daws-- gnaaah!
*deep breath* Once more: The calendar goes to....
Big thanks to everyone who weighed in with an opinion on random vs. reflected. The answers were about 2:1 in favour of random, with 2 people not coming down on either side. (plus a third lurking in twitter DMs - you know who you are!)
Don't be too disappointed, those of you who didn't win, for all hope is not lost: I still have a handful of these and they'll likely be turning up in future contests, so Watch This Space.