The Ultimate Guide to Buying Hallmark Ornaments Since their debut in 1973, Hallmark Keepsake Ornaments have transformed from simple glass balls and yarn figures into a massive cultural phenomenon with over 10,000 unique designs. Whether you are a casual decorator or a serious collector, navigating the world of Hallmark ornaments requires a bit of timing and strategy. Keepsake Ornament Club | KOC | Hallmark