The product is a vintage postcard featuring a tank called "Julian" from the World War 1 era. The postcard, originating from the United Kingdom, is a field postcard made of paper and is an original piece from the E.L.P. Co brand. It is a collectable item with a militaria theme and was posted in 1918, making it a unique and historical piece related to wartime. The postcard provides a glimpse into the past with its imagery and historical significance.