Hi All
I think I have found the answer to my question in the first post. If I am correct, the wing style changed slightly in 2003. Prior to that the wings had a split in the uppermost feather on the wing, as per the LM wing posted here. After 2003 the top feather becomes a continuous line, so I think these tupperwares are post-2003 and not 94-03 as I had thought..
Cheers,
Alex
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