4863 is one of just 27 (by my reckoning) E1 cars to not have ventilators on the door side. These were late examples and 4863 has another feature that became standard on the E2, with a side destination indicator that wouldn’t have been possible with a ventilator.

A very smart 4863 is seen with c4 trailer 1372 at Karlsplatz.

Photograph by courtesy of Phil Sposito