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 Regarding use of copyright tags 

This is with regard to a file I might be uploading either here or in Wikimedia commons (depends on this discussion). For example, I have taken a photo of some chocolates kept together produced by a particular company. Now, I would like to upload that file to show the company does produce chocolates or keep the images in a gallery. Now my problem is that I should tag it with which copyright tag? Should I tag it as my own work or otherwise? I would be grateful for your help. Regards. - 13 "