Apartado de correos 1001
- Tahun: 1950
- Negara: Spain
- Genre: Drama, Thriller
- Studio: Emisora Films
- Kata kunci: barcelona, spain, co-workers relationship, semi-documentary, amusement park, murder investigation
- Pengarah: Julio Salvador
- Pelakon: Conrado San Martín, Elena Espejo, Tomás Blanco, Manuel de Juan, Luis Pérez de León, Carlos Muñoz Arosa