Similarly, with jewellery we would prefer a plain background, and for the item to be showcased on a person/mannequin. Here are some examples from I Love Markets site:
If a mannequin/person is not accessible, then pictures like this will meet our requirements:
With objects such as bags, accessories and homeware. Again we would prefer for them to be against a plain background:
We would also like to make you aware that your picture when in thumbnail context will come up as a square, and could possibly be cropped or cut off (for example the diamante brooch below.)
When photographing vintage items, it is very important to illustrate the condition of the product. Whether it be furniture, jewellery or clothing. If there is something faulty with the item, please do emphasise it in your photo.