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 Pumping Unit Business Card Holder $14.99 Add to cart “BUFFALO FRONTIER” PRINT $45.00 Add to cart “PLANNING FOR GOLD ON BLACK MOUNTAIN” PRINT $45.00 Add to cart Midland Pumpjack Pint Glass $11.99 Add to cart