Letter 'O' pendants aren't hard to find! Oda, Odin, Olivia, Oliver, Oprah, Otis, Owen, Olga, and Oscar, we have a letter 'O' pendant, along with every other initial from the alphabet in our Hidden Message Collection. Pendants available in two lengths, Original and Shorty (half the length of Original). Matte sterling silver or 14k yellow, rose, or white gold. Handmade in NYC. For more options, design your own. 14k gold is made-to-order and final sale. Please allow 2-4 weeks for production. Sterling silver is in-stock and ships within 3-5 days; this does not include shipping time. Individual pendants are intended to be used on necklace chains from Mathematics or as an additional pendant on your Hidden Message Necklace. Sold without chain.