One of Warren Buffett's companies just sent us a mysterious package - here's what was inside

On May 1, the 50th edition of the Berkshire Hathaway annual meet kicks off in Omaha.

Ahead of this meeting, we here at Business Insider were sent a package from one of Warren Buffett's portfolio companies: See's Candies.

See's was acquired by Buffett's Berkshire Hathaway in 1972 for $25 million. To date, See's has earned $1.9 billion in pretax profit for Berkshire and required only $40 million in additional investments.

In his latest letter to shareholders, Buffett discussed the acquisition, writing that, "through watching See's in action, I gained a business education about the value of powerful brands that opened my eyes to many other profitable investments."