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Hi.
I'll hazard a guess that at least two started their life in China in the last 30 years. But let's see the larger images.
We do not offer thoughts on specific values of pieces publicly on this board, but some members may give you their views privately (I am one that is happy to do that).
More generally, any of the modest millefiori that have come out of China in the last 30 years (and then found their way onto the market unmarked, or with honest labels, or with misleading labels - eg Murano, or in the US something sounding Italian and including the word Murano) could probably go to your local charity shop without a problem.
Alan