1991 Democracy WM: 6

Stamp 4539
DXM-s.jpg 50₲
multicoloured
Stamp 4540
DXN-s.jpg 100₲
multicoloured
Stamp 4541
DXO-s.jpg 200₲
multicoloured

1991 Airmail - Democracy

Stamp 4542
DXP-s.jpg 300₲
multicoloured
Stamp 4543
DXQ-s.jpg 500₲
multicoloured
Stamp 4544
DXR-s.jpg 3000₲
multicoloured

1991 Airmail - The 700th Anniversary of Swiss Confederation - The 125th Anniversary of Red Cross

Stamp 4545
DXS-s.jpg 3₲
multicoloured
Stamp 4546
DXS1-s.jpg 5₲
multicoloured
Stamp 4547
DXS2-s.jpg 60₲
multicoloured

1991 Airmail - The 700th Anniversary of Swiss Confederation - The 125th Anniversary of Red Cross

100₲
multicoloured

1991 Awarding the 1994 Football World Cup to the U.S.A.

Stamp 4549
DXT-s.jpg 1₲
multicoloured
Stamp 4550
DXU-s.jpg 2₲
multicoloured
Stamp 4551
DXV-s.jpg 3₲
multicoloured
Stamp 4552
DXW-s.jpg 5₲
multicoloured
Stamp 4553
DXX-s.jpg 60₲
multicoloured

1991 Participation of a United Germany at the 1992 Olympic Games in Barcelona - The 100th Anniversary of the First Flight Attempt of Otto Lilienthal

Stamp 4554
DXY-s.jpg 1₲
ultramarine
Stamp 4555
DXZ-s.jpg 2₲
multicoloured
Stamp 4556
DYA-s.jpg 3₲
multicoloured
Stamp 4557
DYB-s.jpg 5₲
multicoloured

1991 Participation of a United Germany at the 1992 Olympic Games in Barcelona - The 200th Anniversary of the Brandenburg Gate

Stamp 4558
DYC-s.jpg 1₲
multicoloured
Stamp 4559
DYD-s.jpg 2₲
multicoloured
Stamp 4560
DYE-s.jpg 3₲
multicoloured
Stamp 4561
DYF-s.jpg 5₲
multicoloured
25₲
multicoloured
30₲
multicoloured

1991 Doctors WM: 5

Stamp 4564
DYI-s.jpg 50₲
multicoloured
Stamp 4565
DYJ-s.jpg 100₲
multicoloured
Stamp 4566
DYK-s.jpg 200₲
multicoloured
Stamp 4567
DYL-s.jpg 300₲
multicoloured
Stamp 4568
DYM-s.jpg 350₲
multicoloured
Stamp 4569
DYN-s.jpg 500₲
multicoloured

1991 World Telecommunication Day

200₲
multicoloured
250₲
multicoloured
350₲
multicoloured

1991 International Stamp Exhibition "ESPAMER '91" - Buenos Aires, Argentina

Stamp 4573
DYR-s.jpg 50₲
multicoloured
Stamp 4574
DYS-s.jpg 100₲
multicoloured
Stamp 4575
DYT-s.jpg 200₲
multicoloured

1991 Writers and Musicians WM: 5

Stamp 4576
DYU-s.jpg 50₲
multicoloured
Stamp 4577
DYV-s.jpg 100₲
multicoloured
Stamp 4578
DYW-s.jpg 150₲
multicoloured
Stamp 4579
DYX-s.jpg 200₲
multicoloured
Stamp 4580
DYY-s.jpg 250₲
multicoloured
Stamp 4581
DYZ-s.jpg 300₲
multicoloured

1991 America - Voyages of Discovery WM: 5

Stamp 4582
DZA-s.jpg 100₲
multicoloured

1991 Airmail - America - Voyages of Discovery

Stamp 4583
DZB-s.jpg 300₲
multicoloured

1991 Paintings WM: 5

Stamp 4584
XZB-s.jpg 50₲
multicoloured
Stamp 4585
DZC-s.jpg 100₲
multicoloured
Stamp 4586
DZD-s.jpg 150₲
multicoloured
Stamp 4587
DZE-s.jpg 200₲
multicoloured
Stamp 4588
DZF-s.jpg 250₲
multicoloured
Stamp 4589
DZG-s.jpg 300₲
multicoloured