USPS Forever Postage Stamps Winter Flowers Booklet of 20 The winter flowers stamps are being issued as forever stamps in books of 20. Forever stamps are alw Each of these four stamps depicts a close-up view of one plant(clockwise from upper left) amaryllis These winter-blooming flowers are popular potted plants, especially during the holidays when people Just as these flowers brighten our dark winter days, these stamps will add a decorative and cheerful