1926 series stamp Springer TF733, 1 ounce, coupon type, black, SERIES 119 Springer TF734, 1 ounce, Indian type, blue, SERIES 119 Springer TF735, 1-1/4 ounces, John Quincy Adams, SERIES 119 Springer TF738, 1-3/4 ounces, John Quincy Adams, SERIES 119 Springer TF739, 2 ounces, John Quincy Adams, SERIES 119 Springer TF740, 10 ounces, SERIES 119 Springer TF741, 13 ounces, SERIES 119 Springer TF742P, 14 ounces, Series 119, proof plate number 160027 Springer TF743P, 1 pound, Series 119, proof plate number 160027 Springer TF744, 1-1/2 pounds, black SERIES 119 overprint on 1926 stamp Springer TF745P, 1-3/4 pounds, Series 119, proof plate number 160042 Springer TF746, 2 pounds, Series 119 Springer TF748P, 5 pounds, Series 119, proof plate number 160109 Springer TF749, 6 pounds, black SERIES 119 overprint on 1926 stamp Springer TF749AP (?), 7 pounds, Series 119, proof plate number 160013, unlisted in Springer Springer TF750, 8 pounds, black SERIES 119 overprint on 1926 stamp Springer TF751, 10 pounds, black SERIES 119 overprint on 1926 stamp (All Series 119 proof images courtesy of the Smithsonian National Postal Museum) Series 120 / Act of 1926 (1950) Springer TF752, 1/2 ounce, Indian type, orange, SERIES 120 Springer TF753, 1 ounce, coupon type, black, SERIES 120 Springer TF754, 1 ounce, Indian type, blue, SERIES 120 Springer TF755, 1-1/4 ounces, John Quincy Adams, SERIES 120 Springer TF756A (TF880), 1-3/8 ounces, John Quincy Adams, SERIES 120 Springer TF757, 2 ounces, John Quincy Adams, SERIES 120 Springer TF758, 10 ounces, black SERIES 120 overprint on ACT OF FEB

So take a leaf from Special Agent Coopers book in Twin Peaks: Harry, Im going to let you in on a little secret
inserting them into older models can damage the blade and void device warranties
From Washington, DC ~10 min Cross the 14th Street Bridge or take I-395 South
"Effects of electronic cigarette smoking on human health" (PDF)