Odd stamps : 08 Stamps with special cuts - 08 a

We have arrived at the 8th odd shape (see square, pentagonal, hexagonal, heptagonal stamps before).
This time, I'll bring the octagonal stamps to you.

Octagonal stamps, have 8 sides.
So far, all odd stamps are relatively new (from the 70's of the 20th century till now).
The following stamps however are dated 1898 !

10 paras

20 paras

The stamps were issued in 1898.
Turkey was occupying Thessaly (now Greece) from 1897 till June 1898.
At that time, the following octagonal stamps were in use.

1 piastre

2 piastres

5 piastres

A lot of those stamps were cancelled to order (CTO), as well as forgeries.

As you see, odd stamps aren't 'new', as these stamps show.

And there are many more ...