I'm reading all the posts I've missed and found this very tin in a post from March 10 2012 - here. As you know I try to only post items and articles from my own urban archaeology collection, this tea tin is a favourite. It was produced for the Lyons Tea Company and played on a catch phrase "All the year round - drink Lyons' Tea".
The front panel is complex with three apertures where the date and month can be set, playing on the all year round theme.
I love the use of the faux George 11 shell and cross banding marquetry also.