How do I know if my international small silver bowl has no value?

I have 6 1 / 4 "small bowl pedestal. Markings International Silver Co. on the bottom ... Continental Plaza (in italics) 05,113 6! / 4 "at number 68 in a square that I prowled the internet ... no help. Ask if rubbish ... has some value ... Help! thanks

Any local antique dealer "must be able to help. Heck, I bet you could take a picture and has sent to the Antique Roadshow, or any other similar show of support. Good luck!

The International Silver Situation (1896) $10.18 The International Silver Situation (1896)

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