We've had the second one before, maybe a couple of years ago, and I exercised observation and knowledge and made a guess about a decade and a half out, so this year I cranked up the memories in my rusty old archaeologist brain.
I'm sure they're right, but the peppermills and the wineglass shapes were misleading. Lucky they didn't get me this time.
Not like that chap in the illegal wartime trousers yesterday who snookered us all.