Navigation
Legend
- a
- A - Unframed postmark
- b
- B - Rectangular postmark
- c
- C - Elliptical postmark
- f
- D - Double circle postmark
- e
- E - Single circle postmark
- g
- G - Subdivided single circle postmark
- s
- S - Odd-shaped postmark
- k
- Outer diameter of the postmark in mm
TPO routes with TPO number and route name