Corgi – Baltimore Firehouse Expo Seagrave Tractor Drawn Aerial Ladder, #US52509. Part of the Heroes Under Fire collection by Corgi. Made exclusively for the 20th anniversary of the Baltimore Firehouse Expo. Designed in the Seagrave 70th anniversary style, this diecast offers many details and moveable parts. White body with red trim. A showpiece for any firefighting diecast collection. 1:50 scale.