Postcard and reprints of photographs of colliers, with negatives Marked: 'Customer Original 23396' Reprints of photograph of group of boys at 'Rainbow Level' during miners' strike, 1926 Postcard and reprint of group of colliers by trucks at 'Adare Level', Naval Collieries, [early 20th century] Reprint of photograph of group of miners waving hats, [early 20th century] [black and white, 7 prints, 88mm x 138mm, 140mm x 87mm, 127mm x 178mm, 128mm x 88mm and 178mm x 127; black and white, 3 negatives, 35mm film] [early 20th century]