Portland Maine 1929 Chamber of Commerce illustrated travel brochure tourist map(Americana, Travel, Tourism, New England, Maine, Portland, Illustrated Brochures). Portland Maine, America's Sunrise Gateway. Published 1929, Portland, Maine by the Chamber of Commerce of Portland, Maine. Illustrated folding brochure. Illustrated paper wrappers, brochure opens to one large sheet with a map on one side. Item is physically old and shows some signs of handling and time. Item is not new or in "new" condition. Binding gently age worn,