Table of contents:
Yugoslavian stamps Mi 439-440 intended for never held Philatelic Exhibition in Slavoski Brod with the golden overprint with the name of the new country.
Quantity of overprinted sets is 56.000 which was the rest of the edition from 13.04.1941.
| Mi 39 | 1.50 +1.50 Din | blue-black |
| Mi 40 | 4 + 3 Din | dark brown |
Sheets
Stamps were issued in sheets of 16 stamps + 9 pendants with different perforations,
Sheet with Seizinger signature
Perforations
| Stamp | Perforation | Description | |
| Mi 39 and 40 | A | K 11 3/4 : K 11 1/2 | Normal |
| Mi 39 and 40 | B | K113/4:L111/2:K113/4:K11 1/2 | Stamps on the right edge in most of the sheets |
| Mi 39 and 40 | C | K113/4: L91/4:K113/4:K11 1/2 | Stamps on the right edge in a small amount of sheets |
| Mi 40 | D | L 11 ½ | Whole sheets in this perforation – very rare |
Sheet with perforation 9 1/4, right
Double perforation of stamps 1,50 din also exist.
Graver’s mark
Stamp of 1,50 din has a graver mark ‘S’ – it is placed on a plate position 9.
This set has no significant errors or plate flaws in the overprint.
There are also trial prints in black and golden colors.
Two sheets of Yugoslavian stamps Mi 437 were also found with the same overprint, but it is still unexplained whether it was an accidental error or done on purpose.
