Rather strange this one. It has a Nauru stamp but a 2007 Gibraltar crown the specifications are list below for that.
- Numbered cover – issued by Mercury Watford England
- Postdated 31,01.2007
|Queen||Elizabeth II (1952-date)|
|Value||1 Crown (0.25)|
|Currency||Crown Coinage (1967-date)|
|Orientation||Medal alignment ↑↑|