Envelope lining 4

This is the lining of an envelope, made by the UK company Tallon. It is a simple pattern of blue, straight lines. The maker's name is printed along the pattern

Envelope lining- 2

Here is another lining of a recent envelope, which was sent from the United Kingdom

Much like the previous examples, the pattern used is formed from fine lines. However, the pattern used here appears to be more complicated than the previous examples.