Onion River Pottery Maple Leaf Coffee Mugs Set Of 2. Condition: Excellent, Pre-owned with no stains chips or cracks. 1 mug is marked with Onion River Pottery. Mugs are 3.5” tall Visit our shop to discover more vintage treasures, rare finds, replacements and unique gifts. Reasonable offers are welcome. Please carefully review photos, and contact us with questions. Thanks for browsing! Jen & Jenn