I did a test of 5 different brands and there was one that stood out from the rest that looked like real silver metal.
DIY Silver Leaf Vanity: how to silver leaf a piece of furniture | LiveLoveDIY
The BEST Metallic Spray Paint - creates the most realistic finish! brushed silver look
There are lots of silver and gold spray paints,... | Design Meet Style
You can make this! Spray paint large sea shells with silver paint and clear high gloss.
Silver spray paint on terra cotta flower pots
I have so many cheap vases that I don't have a use for, have to do this and make them pretty.
The BEST silver spray paint! Makes stuff look like actual silver leaf.
spray all of those leftover shells with silver spray paint and you have an expensive looking decorative item
Hot Glue Gun Art - Spray painted with Metallic Silver, distressed with black paint - giving it an antique metal look.