1968 Pontiac Firebird convertible1968 Pontiac Firebird convertible with tree growing through top bows. Siegel Recycling, Tomahawk, Wisconsin. raustinPublished Jul 16, 2014 5:44 PM PDTShare this story 1968 Pontiac Firebird convertible with tree growing through top bows. Siegel Recycling, Tomahawk, Wisconsin.Share this storyraustinAuthor