The old engraving is recognized by the lines that are horizontal and vertical. Letters in the bottom right corner: JGO

Dark blue

Perf.: 12,75

**   3,-

o   C

The old engraving is recognized by the lines that are horizontal and vertical. The last print is lighter blue than the earlier prints.

Steel blue

Perf.: 12,75

**   3,-

o   C

The new engraving is recognized by the lines that are diagonal. Issued 2007.

Letters in the bottom right corner: Mörck

Blue

Perf.: 12,75

**   3,-

o   C

Type 2 with selfadhesive glue:

Issued 2010

Same type as type 2 from 2007 - but perforation is clean cut and not torn.

And with selfadhesive glue

Colour: Blue but maybe a little paler than the issue from 2006. The lines are thinner in stamps with selfadhesive glue.

Perf.: 12,75

** 3,-

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