Lot of 4 Planet Stories pulp magazines

All covers present but showing extensive wear. One cover loose, another with a large chunk of the corner missing. All pages show some wear and age discoloration. This lot consists of: Planet Stories, May 1952, Vol. 5, No. 6 Planet Stories, Spring 1949, Vol. 4, No. 2 Planet Stories, Spring 1955, Vol. 6, No. 10 Planet Stories, Spring 1948, Vol. 3, No. 10