A collection of four different anniversary cards, each with a unique color and design. The first card is red with the words 'Celebrating 10 Years' and a heart-shaped design. The second card is purple with the words 'Celebrating 50 Years' and a heart-shaped design. The third card is green with the words 'Celebrating 30 Years' and a heart-shaped design. The fourth card is blue with the words 'Celebrating 20 Years' and a heart-shaped design.