$63.99 3M Littmann Classic III Monitoring Stethoscope, Smoke Chestpiece, Lime Green Tube, Blue Stem 
3M Littmann Classic III Monitoring Stethoscope $77.39 (20% off) @ Amazon
3M 5811 Littmann Classic III Stethoscope - Smoke Chestpiece - Black Tube - 27 inch - Walmart.com
