Petroleum Museum Coffee Mug $18.99 Warm up your mornings with this classic coffee mug featuring the Museum’s logo on one side and our trademark pair of pumpjacks on the other. 11 oz. capacity In stock Petroleum Museum Coffee Mug quantity — OR — Add to cart Categories: Drinkware, Museum Souvenirs Related products Derrick Metal Lamp $225.00 Add to cart Mineral & Fossil Treasures of the Lone Star State – Coloring & Activity Book $9.95 Add to cart Pumpjack Tall Frosted Shot Glass $4.99 Add to cart “BUFFALO FRONTIER” PRINT $45.00 Add to cart