This image shows the pillars and gates that mark the entrance to Garner State Park in Concan Texas.
The description states:
FW-340 Entrance to Garner State Park between Concan and Laekey, Texas. 640 acres of scenic grandeur in Frio Canyon with its tree-headed camping and picnicking area along the crystal-clear Frio River.
–In 1976 the parks size more than doubled when an additional 760 acres were added.
This card was used and is dated 23 July 1961