From French tête-bêche.
tête-bêche (not comparable)
- (philately) Of a postage stamp, printed upside down relative to the following stamp of the same row or column.
From tête + bêche(vet).
- (of two people or objects) Laid out in the opposite direction from one another, the feet of one being aligned with the head of the other.
tête-bêche m (plural têtes-bêches)
- A pair of tête-bêche stamps.