'Happy Birthday Sweetheart' Card £2.80 Quantity: at £2.80 each Add To Basket 100 in stock. 'When I See You Smile and I Look into Your Eyes, I Can't Help But Know I'm Blessed to Have You Each and Every Day. Happy Birthday Sweetheart' Card. Cards from The Monochrome Bow are 5 x 7 inches, Printed and Embellished on White Card with Envelope Included. Sealed with a Branding Sticker in a Cellophane Wrapping.