Item 74524 - Crimped lead seal, ca. 1910 Item 74524 - Crimped lead seal, ca. 1910 Contributed by Maine Historical Society Item 74524 Zoom 2538px x 4200px - 8.5"w x 14.0"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The lead seal, used to determine if electric meters had been tampered with, is stamped "CMP" for Central Maine Power and "23" on the reverse. Show Details