1940 The Balkans Union WM: 2

Stamp 404
EI-s.jpg 6Dr
light blue
Stamp 405
EI1-s.jpg 8Dr
greyish blue

1940 The 4th Anniversary of the National Youth Organization WM: 2

Stamp 406
EJ-s.jpg 3Dr
multicoloured
Stamp 407
EK-s.jpg 5Dr
blue/black
Stamp 408
EL-s.jpg 10Dr
reddish orange/black
Stamp 409
EM-s.jpg 15Dr
green/black
Stamp 410
EN-s.jpg 20Dr
carmine/black
Stamp 411
EO-s.jpg 25Dr
blue/black
Stamp 412
EP-s.jpg 30Dr
purple/black
Stamp 413
EQ-s.jpg 50Dr
carmine/black
Stamp 414
ER-s.jpg 75Dr
multicoloured
Stamp 415
EJ1-s.jpg 100Dr
multicoloured

1940 Airmail - The 4th Anniversary of the National Youth Organization WM: 2

Stamp 416
ES-s.jpg 2Dr
orange/black
Stamp 417
ET-s.jpg 4Dr
green/black
Stamp 418
EU-s.jpg 6Dr
carmine/black
Stamp 419
EV-s.jpg 8Dr
blue/black
Stamp 420
EW-s.jpg 16Dr
purple/black
Stamp 421
EX-s.jpg 32Dr
orange/black
Stamp 422
EY-s.jpg 45Dr
green/black
Stamp 423
EZ-s.jpg 55Dr
carmine/black
Stamp 424
FA-s.jpg 65Dr
blue/black
Stamp 425
FB-s.jpg 100Dr
purple/black