|
|
|
SCOTT NO
|
311 A50
|
|
DATE OF ISSUE
|
1986 Mai 22
|
|
FACE VALUE
|
2sh
|
|
COUNTRY
|
Tanzania
|
|
|
|
|
DESCRIPTION
|
The stamp shows sapphire gemstone. The coloring agent is iron & titanium. In artificial light it appears as ink colored. It is widely used in diamond jewelry.
|
|
|
|
|
VARIATION DESCRIPTION
|
It is an ordinary airmail envelope with routine cancellation.
|
|
|
|
|
GEMSTONE
|
Sapphire
|
|
VARIATION
|
Block, First Day Cover, Envelope
|
|