The Periodical Article Bibliography
| PAB Number | C1900 |
| Document Type | Article |
| Author | Hargreaves, Chris |
| Title | 'D.W' covers-The mystery continues! [re 1930s hand stamp] |
| Journal Title | Canadian Aerophilatelist |
| Journal Info | Canadian Aerophilatelist, June 2011, Vol. 27(2), pp. 26-29. |
| Year | 2011 |
| Notes | illus Filed alphabetically by author in CNS PAF Collections and Collecting-Stamp |
| Subject | COMMUNICATIONS-Postal Service
TRANSPORT-Aviation |