You've found a vintage Rubbermaid kitchen slotted spoon, model 1974. This vintage white Rubbermaid cooking spoon, from around the early 1990s, appears it may be the kind of plastic that is microwave and oven-safe to 400 degrees (like Ultratemp kitchen utensils), though it is not specifically marked as such. This vintage Rubbermaid 1974 spoon has stains and scratches from normal use. It is chip-, crack-, and melt-free, and measures 12.5" long x 2 3/8" at its widest.
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