EMS TSN 1923 Chevy Delivery Van Bank Emergency The EMS TSN 1923 Chevy Delivery Van Bank Emergency is a special edition die-cast toy vehicle made by Ertl. This limited edition model features a Chevrolet van from 1923 with a multi-color design, part of the Emergency Medical Service series. The 1:25 scale van is equipped with emergency features and is a must-have for collectors and enthusiasts of diecast vehicles.