Vintage appetizer set by Guzzini

The Vintage appetizer set is part of Guzzini's two-tone plastic kitchenware series. The Vintage collection was created by Fratelli Guzzini in the 1950s. 
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The plastic/acrylic dishes are made from two sets, each set having two connected bowls. The two sets can lock together to create four bowls as shown in the image. 
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W22 x D36
In very good condition!