True story. The marketing people at a client airline (based in a stately home in the Midlands) got hold of the boarding passes in a fit of Corporate Identity-itis and redesigned them with swooshy backgrounds of dark blue and dark grey on high gloss card.
Not ideal for visibility of whatever gets printed on there - useful stuff, like pax name, flight number, seat..- and using high gloss card resulted in smudged ink bordering on illegibility for whatever *wasn’t* black on dark blue.
The board review meeting where the CFO asked the COO how many had been ordered (6 million) was a treat...