Vintage Studio Pottery Owl Pitcher. Cathra-Anne Barker Sunstone Studio Art Pottery. Stunning Studio Pottery Owl Pitcher made by Cathra-Anne Barker of Sunstone Studio Pottery signed, dated (1970), and emboss stamped "Sunstone Pottery".This Vintage Studio Pottery Owl Pitcher measures approximately 7.25" tall, and 6.25" in diameter. This vintage Cathra-Anne Barker Studio Pottery Owl Pitcher is in excellent condition with no cracks, chips, or repairs. The item "Cathra Anne Barker 1970 Vintage Sunstone Studio Art Pottery Owl Pitcher Signed" is in sale since Thursday, April 12, 2018. This item is in the category "Pottery & Glass\Pottery & China\Art Pottery\Studio/ Handcrafted Pottery". The seller is "relicarts" and is located in Ashland, Oregon. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.