Item 50881 - 28-30 Exchange Street, Portland, 1924 Item 50881 - 28-30 Exchange Street, Portland, 1924 Contributed by City of Portland - Planning & Development Item 50881 Zoom 4735px x 3366px - 15.8"w x 11.2"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Store Building at 28-30 Exchange Street in Downtown, Portland, was owned by Franklin Real Estate Co. in 1924. Show Details