Haeger Art Pottery "Ballet Dancer" Vases. Our dancers are an excellent example of unique Royal Haeger art pottery, and were only manufactured from 1953 to 1954. Haeger Potteries, Inc., began business in 1871, and is a four generation, family owned business. In 1914, they began their Art Pottery line, and being one of America's oldest and most successful art ware manufacturers, continues to produces ceramic art ware to this day...