New vintage set of bookmarks good luck prosperity longevity (metal, set of 3)

New Vintage set of 3 metal bookmarks RARE FIND!!! For the book nerd or antique treasure hunter or library lover! 😀📕📘📗❤️💙💚 set of 3 metal & enamel bookmarks on original paper card (not card stock, almost like vellum but not as textured): “Book Mark MADE IN TAIWAN REPUBLIC OF CHINA” One of each: Royal Blue: longevity or long life Dark red: Good luck or good fortune Jade Green: Prosperity or wealth Vintage 1970s-1980s. Tin or aluminum? Very smooth, lightweight metal. NWOT At 50+ years old they have tarnished a bit. These are untouched and retain some of the original gold finish. We cleaned up some with toothpaste and they look almost the same but a bit shinier.