Expert advice needed: Back of zip on OS Alexa

Hi,

I've been looking for an OS Alexa and I've found a lovely one. All looks good to me, apart from the back of the zip isn't branded with riri or the tree. It's a petticoat white with rose gold hardware. Can anyone let me know if this is right? Thank you!

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I have two O/S Alexas, one made in England and the other made in Turkey, and neither one has any branding at the back of the zip - both have plain zips like in your picture.