Sunflowers (8 Flowers with envelope, notecard + display sample). Each pop up flower card includes a small blank coordinating notecard. Each case includes a display sample. These mail anywhere in the US with just 4 Forever stamps. The cheerful Sunflower is a warm and inviting reminder of the sweet summer sun’s energy and life force. Inspired by Vincent Van Gogh, our elevated design will lift the spirits and add a cheery splash of color that will never wilt.