I have received the hereunder Swiss stamp.
Scott#55
The stamp itself has no notable value (4$)
But, on the back side, there are 2 vertical red lines.
I never saw these lines on any stamp.
Of course, as it is on the back side and it is not visible on the front site, It cannot be any kind of overprint.
There is nothing about it in Michel.
Have you an idea what it can be ?
Thank you
Posted 01/24/2015 1:46 pm
