This is a June, 1949 issue of Famous Fantastic Mysteries magazine.  It has a cover by Lawrence.

Contents:

The Purple Cloud by M. P. Shiel (illustrated by Lawrence)

Masters of Fantasy: Lord Dunsany

Mirror Maze by Stanley Mullin (illustrated by Leydonfrost)

........................

Shipping combined for multiple purchases.  Delivery confirmation included on all domestic packages.  Pulps mailed in boxes due to fragility, independent of weight.