It could hold an oval floral pin holder up to 6" x 2". It has underglaze maker's marks on the bottom, "Hull USA 71".
Vintage Hull Pottery mid-20th century ceramic swan planter by Hull Pottery.
Vintage HULL Pottery Green Drip Glaze Mushroom Planter Marked Hull USA B2
Vintage Hull Pottery Green Drip Glaze Planter Bowl – Ribbed – Hull USA
Vintage Hull Pottery Dark Green Basket Shaped Pottery Planter USA-822
Vintage Hull Pottery Pedestal Planter #156 Pastel Blue Exterior Yellow Interior
Vintage HULL POTTERY SERENADE Line Pink Compote, Urn S3
