1978, May 9, : First Commercial Flight of the Concorde Paris/London - New York. Design BG Studio, Lithography Brüder Rosenbaum, Wien
S.-G.: 258-Yv: 531
Sc. : **-Mi: 505
S.-G.: 259-Yv: 532
Sc. : **-Mi: 506
S.-G.: 260-Yv: 533
Sc. : **-Mi: 507
S.-G.: 261-Yv: 534
Sc. : **-Mi: 508
S.-G.: F272-Yv: 527
Sc. : **-Mi: 509
S.-G.: F273-Yv: 528
Sc. : **-Mi: 510
S.-G.: F274-Yv: 529
Sc. : **-Mi: 511
S.-G.: F275-Yv: 530
Sc. : **-Mi: 512
Note: These stamps exist with "Crown to right of CA" watermark too.

F273 variety
Maybe the sheet wobbled when black was printed - so there is a weaker second impression on this stamp. (Michel Blanc. coll)
1978, June 2, : 25th Aniversary of Coronation
S.-G.: 262-Yv: 538
Sc. : **-Mi: 513
S.-G.: 263-Yv: 539
Sc. : **-Mi: 514
S.-G.: 264-Yv: 540
Sc. : **-Mi: 515
S.G.: F276-Y: 535
Sc. : **-Mi: 516
S.G.: F277-Y: 536
Sc. : **-Mi: 517
S.G.: F278-Y: 537
Sc. : **-Mi: 518
1978, June 2, : 25th Anniversary of Coronation - sheetlet
S.-G.: 262a-Yv: 540A
Sc. : **-Mi: 513KB
S.-G.: F276a-Yv: 537A
Sc. : **-Mi: 514KB
1978, Dec. 1, : Christmas : Paintings by Dürer
S.-G.: 265-Yv: 545
Sc. : **-Mi: 505
S.-G.: 266-Yv: 546
Sc. : **-Mi: 506
S.-G.: 267-Yv: 547
Sc. : **-Mi: 507
S.-G.: 268-Yv: 548
Sc. : **-Mi: 508
S.-G.: F279-Yv: 541
Sc. : **-Mi: 523
S.-G.: F280-Yv: 542
Sc. : **-Mi: 524
S.-G.: F281-Yv: 543
Sc. : **-Mi: 525
S.-G.: F282-Yv: 544
Sc. : **-Mi: 526