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The balance sheet told a different story. Selling for $13.38 per share at the end of 1954—an $18.8 million market capitalization—P&R traded close to its net current asset value of $9.16 per share, a figure that included significant excess inventory. While this alone was not enough to make the stock cheap, P&R also had an off-balance-sheet asset known as culm banks, a waste material accumulated from anthracite mining which was thought to have value as a fuel source. Buffett believed this asset could be worth around $8 per share.150 The net current asset value and the culm banks combined were worth $17 a share, enough to give Buffett confidence that the stock was cheap. But, as Table 2 shows, the company also had substantial property, plant, and equipment. These fixed assets were almost certainly worth less than their carrying value, as the industry had deteriorated since the company last valued them when it emerged from bankruptcy in 1945. While it wasn’t clear what they were worth, they were certainly worth something. Finally, and ultimately most importantly, Ben Graham was on P&R’s board of directors, becoming a member after purchasing the stock in 1952. Buffett, who had discovered the stock on his own, would join Graham’s firm in 1954. While Graham had not taken any significant action as a board member by then, Buffett sensed that his professor, mentor, and now boss would eventually make something happen. As he later stated, “I was just a peon sitting in the outer office… I was not in the inner circle, but I was terribly interested, knowing something was going on.
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Brett Gardner (Buffett's Early Investments: A new investigation into the decades when Warren Buffett earned his best returns)