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Rare Mid Century Modern Perpetual Calendar Frosted Lucite Zig Zag Cubes VintageRare mid century perpetual calendar is 2 pieces of solid lucite with frosted surface. Bottom section has date numbers. Top section with the day's initials is adjustable. Line up a day and date to show the current month. It measures 3" high and can be up to 8" wide. Excellent condition.
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