‘In 1938 a wallet manufacturer called the E.H. Ferree company had a genius idea: to show people just how well cards would fit in the wallet, by using a placeholder. This was before credit cards and before many drivers licenses were small enough to fit into wallets. So the thing they used to showcase the wallet was a social security card. The card they placed in each and every wallet was only about half the size of a real social security card, and that had “specimen” printed in red all over it. The placeholder card was fake in almost all ways but one: The social security number on it was real. It belonged to the secretary of the company’s Vice President and Treasurer, a woman named Mrs. Hilda Schrader Whitcher.
The wallet was sold all over the US in Woolworth stores. And soon after it hit the shelves, people started using that social security number as their own.According to The Social Security Administration, at the peak of the Whitcher confusion, 5,755 people were using her social security number. In total, they say that over 40,000 people have reported her number as their own…’ (The Last Word On Nothing )