| Clue | Source | Date |
|---|---|---|
| Sir Thomas Beecham founded London’s ____ in 1946 | The Times Specialist Sunday | 06 Oct 2019 |
| USPS bldg. | ||
| Postal abbr. | ||
| Mail car: Abbr. | ||
| Type of post office: Abbr. | ||
| Mail service: Abbr. | ||
| Mail agency: Abbr. | ||
| Where mail sorters work: Abbr. | ||
| Mail depot: Abbr. | ||
| Part of a train: Abbr. |