Places › 1535 Post Street, Jacksonville, Florida Mentioned in 2 pages 1535 Post Street, Jacksonville, Florida B2 · P. 103 Envelope addressed to Mrs. J. P. Walker, 1535 Post St., Jacksonville, Florida1920–1940 B2 · P. 107 Envelope to Mrs. J. P. Walker, Jacksonville, postmarked Yonges Island, S.C., May 27, 19261926