Gold/Silver card for shooting watches/jewellery

[ASaperture]

Hi everyone!
Can anyone tell me where I can buy silver and gold card for reflecting into watches and jewellery. It needs to have a really smooth chrome finish and have no texture at all. Finding it really hard to find some!
Thank you very much 🤗

 

[NS: Nikon Shooter]

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May I ask how you got the idea of gold/silver for reflection?

Both will bring too much specularity to the set — and you'll have to
get rid of it. I would suggest white mat material either translucent as
diffusor or opaque as reflector.

BTW, welcome!