Song: "Signed, Sealed, Delivered"
Artist: Stevie Wonder
Peak position on the Cashbox Singles chart: #1
Number of weeks on the Cashbox Singles chart: 14
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| June 20, 1970 | 79 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| June 27, 1970 | 58 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| July 4, 1970 | 23 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| July 11, 1970 | 17 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| July 18, 1970 | 15 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| July 25, 1970 | 7 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| August 1, 1970 | 5 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| August 8, 1970 | 3 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| August 15, 1970 | 2 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| August 22, 1970 | 1 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| August 29, 1970 | 5 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| September 5, 1970 | 11 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| September 12, 1970 | 24 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
| September 19, 1970 | 56 | Signed, Sealed, Delivered | Stevie Wonder | Tamla 54196 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.