| Repository | University of Roehampton: Archives and Special Collections |
| Level | Series |
| Reference Number | RC/1/5/12 |
| Creator Name | Richmal Crompton; Richmal Ashbee (niece of Richmal Crompton); and Richmal Ashbee's heirs |
| Title | [Richmal Crompton] Documents relating to commemorative postage stamps featuring characters from children's literature, including Richmal Crompton's character William |
| Date | 1993 |
| Extent | 2 files |
| Description | Contains:
- A set of the commemorative postage stamps (RC/1/5/12/1)
- Envelopes that have been stamped with the William commemorative postage stamp (RC/1/5/12/2) |