Boston City Plan 1895 Christian Endeavor Convention promo pocket folding map(Old Maps, Americana, United States, New England, Massachusetts, Boston, City Plan). Official Map of Boston: Christian Endeavor Convention July 10 15, 1895. Published 1895, Boston by Geo. H. Walker Co. Folding pocket map, issued as a promotional. Text in English. A rare promotional pocket map, issued for a specific event. Publisher's card stock paper wrappers. Item is old and shows some signs of handling and time. Item is not new or in "new"