http://www.mindenmilitaria.com/shop.php
As an aside this white metal one is an out and out fake. At £48 it's not a cheap error.
Same badge on ebay for £12
https://www.ebay.co.uk/i/36299408088...xoCdJoQAvD_BwE
The lugs placement is wrong and there was not a VB or TF version.
Also available with a slider
https://www.ebay.co.uk/i/15396235659...hoCluwQAvD_BwE