Help! Balenciaga Serial Numbers

Sorry authenticity

What season does the T represent?
Please post in the “authenticate this” thread with all of the necessary photos. The list in yellow at the top of that page has a link showing you the pics needed. They need to be clear, close up, facing the camera, no angles, no bends in tags. Right way up too.
 
I have a tag on a Work that is listed as year Q, which would indicate F/W 2009, however the color is 4363, which in the color list shows wasn’t available until pre-S/S 2010. Is there overlap like this between years?

Thank you!

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I have a tag on a Work that is listed as year Q, which would indicate F/W 2009, however the color is 4363, which in the color list shows wasn’t available until pre-S/S 2010. Is there overlap like this between years?

Thank you!

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As far as I know the colour codes started in 2010. I think you just have a 2010 bag with 2009 tag.