RARE Vintage Hartstone Pottery Coffee Mug w/ Dog & Duck Silhouette

Coffee Mug featuring a dog & duck silhouette with a blue and black design. Ideal for dog and/or hunting enthusiasts. Brand: Hartstone Pottery Hand painted; each mug is unique. Official Hartstone stamp on bottom of mug Made in Zanesville, Ohio, USA. Approx. Measurements: ~ 3 3/4" tall x 3 1/2" diameter Officially considered a 14-oz mug (filled to the rim). I would say it comfortably holds 10-oz to 12-oz depending how full you like your mug. CONDITION: Excellent used condition (EUC). I am the original owner; just trying to down-size my collection of mugs. Please refer to photos for condition and/or feel free to ask questions. Comes from Smoke-free, dog friendly home. TAGS: Rare Vintage Collectible Hartstone Pottery Dinnerware Coffee Hot Chocolate Camping Mug Sunset Duck Dog Silhouette Airedale Black Lab German Short Hair Pointer GSP Spring Fall Hunting Birthday Mother's Father's Day Gift