It probably dates to the 1950's. As shown in photos, it has surface scuffs and scratches, and the decals are flaking.
Collector's FIND, SUPER RARE, Boeing 747-SP PAN AM, Original 1st Version, 1:200
New In Box 1983 Intex Die Cast Metal Super Dyna-flites Pan Am Scale Model
Vintage Die Cast Jumbo Jet BOEING 747 PAN-AM Sealed Blister Pack TINTOYS 1970's
Pan Am Boeing 727-200 N368PA Goodwill GeminiJets GJPAA2344 Scale 1:400
‘50s Pan Am B-377 Stratoliner Tootsietoy N1025V
BACHMANN MINI PLANE PAN AM 747