Table of contents:
Design by A. Brilly, perforation 11 & 11 ½
This stamp was issued in support of an exhibition of the same name in Zagreb, and the two-kuna surcharge was intended to help finance the exhibition.
The stamp was printed in a plate of 100 stamps (whole plates are now very rare).

| 69 | 4 + 2 Kn | dark blue (with shading) | 500,000 issued |
Total quantity of issued stamps was 500,000 but only 139,626 were sold and the rest of them were officially destroyed.
Perforations
This issue has lots of double perforations, strongly moved perforations, vertically and horizontally non-perforated stamps, and imperforated stamps.



Left: imperforated horizontally
Right: imperforated down


Left: imperforated up
Right: double perforation

Print errors


Minister albums
Minister albums of this issue exist with perforated, non-perforated and only horizontally or vertically perforated plates of 100.
Color proofs
There are no color proofs for this issue.
FDC
FDC of this issue exist but with a different dates on the cancellation representing day of the sale on the exibition.

Vignette
Vignette with a same motif but imperforated with a different colors and size exist and it is actually the only NDH official vignette.
Maxim cards
Maxim Card with the same colors and motif as the vignette exists. There is also an MC in a gray color, but this one is very rare.


Maxim cards, red and gray

Special postcards



Essay
