![My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? : My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? :](https://i.redd.it/5kzmvalg3el21.jpg)
My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? :
![3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X 3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X](https://pbs.twimg.com/media/B-I3kK9IgAAfLXJ.jpg)
3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X
Original Littmann Stethoscope on Instagram: "Cardiology IV ✓ 7 years warranty ✓ Free laser engrave ✓ Free rubber and earpiece ✓ 💯Original box, Serial number and bar code ✓ Cash on delivery
![Amazon.com: 3M Littmann Classic III Monitoring Stethoscope, Navy Blue Tube, 27 Inch, 5622 & 40007 Stethoscope Identification Tag, Black : Industrial & Scientific Amazon.com: 3M Littmann Classic III Monitoring Stethoscope, Navy Blue Tube, 27 Inch, 5622 & 40007 Stethoscope Identification Tag, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/51Oi27PpwFS.jpg)