Virtuelle udstillinger
| Link | Bedømmelse | Henvisninger |
| American Philatelic Society – Virtual Stamp Exhibition | 2 | |
| Exponet | 6 | |
| Museum of Philately | ||
| Philatelic Exhibits by Hallvard Slettebø | 2 | |
| Posthistoriska nätverket (Sverige) | - 6.7 af 3 stemmer | 443 |
| The Military Postal History Society – Exhibits of Military Postal History | 2 |