Real Ads for Real Detective Schools
No, really! You too can learn a lucrative and fascinating trade from the comfort of your own home. And all the “Professionally Modernized” details are absolutely FREE!
All these vintage ads were salvaged from the back pages of old pulps and other magazines from the forties and fifties, right beside the ads for magic zit removal cremes, baldness cures, hair tonic, male “enhancement” potions and the like.