Kent Coal Miners By Mining Train in 1930s Real Photo Postcard

news12-33 This is a totally unique undated but appears 25 years ago origin postcard by an award winning photographer of a real photo souvenir of coal miners in Kent in the 1930s at Tilmanstone pictured just before the war covered in black by the mining trains and was sourced by a collector of some of the most  historic photo manipulation art works & famous groundbreaking news award winning photographs in history (see his full collection he sourced being sold at my store) which this particular postcard was from a Barbican London Gallery Exhibition when this photo was on display for attendees of the event and is unused and mint (same as new)