Scott# BK127 Vending Booklets. Liberty Bell 13c & Frank Lloyd Wright 2c from 1975. Liberty Bell vending machine stamp booklets, Scott #BK127. They contains two panes: a pane of six 13¢ Liberty Bell stamps (Scott #1595a) and a pane of six 2¢ Frank Lloyd Wright stamps (Scott #1280c). ALL Original and have been stored in an archival controlled space, from a philatelist estate settlement.