1920 Rotogravure WWI British Grand Fleet US Navy Dirigible Observation WAR1

This is an original 1920 World War I sepia Rotogravure of U. S. Navy dirigible observation balloons, which search the coastal waters for German enemy U-boats lurking beneath the surface. The second image shows an American battleships, composing Sixth Battle Squadron of the British Grand Fleet in the North Sea. The final image shows the Sixth Battle Squadron of the British Grand Fleet. CONDITIONThis 91+ year old Item is rated Very Fine +++. Light foxing and aging. Light wrinkling. - right margin. No natural defects. No tears. No water damage. Please note that there is printing on the reverse. Product Type: Original Rotogravure; Sepia Grade: Very Fine +++ Dimensions: Approximately 10.5 x 8.25 inches; 27 x 21 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Keywords specific to this image: Wartime, Base Port, Firth of For