Good find, BE! Was looking further into the page 8 early Chalk's Flying Svc., Biscayne Blvd. photo googling the Loening Air Yacht N numbers(NC133-H, NC134-H) and found another stash of vintage Florida photos as well as dating the photo and discovering a Wiki error...
http://www.pbase.com/donboyd/image/97584543/originalEDIT
Left click the Chalks photo to take you to the vintage aviation galleries page.