Superman
| Catalogue Number | 58504 |
|---|---|
| Program Number | 1494 |
| Date | August 19, 1948 |
| Title | "The Mystery Of The Letter" |
| Description | Superman is on the trail of the missing Lane sisters. Lois and Diana face death if they do not reveal the location of the letter. Jackson Beck doubles as a French concierge. |
| Artists | Bud Collyer, Gerald Mohr, Joan Alexander, Jackson Beck (announcer, performer), Jon Gart (organist), Robert Maxwell (producer) |
| Source | Mutual net |
| Sponsor | Sustaining |
| Quality | Very good to excellent |
| Complete | Complete |
| Duration | 14:30 |