Winning hand
PHILADELPHIA — Bill Mason started selling baseball cards 25 years ago by carving a small space in his father’s convenience store, hoping to grab the attention of customers as they bought lottery tickets or paid their utility bill. He had become enamored with collecting after scoring autographs at Veterans Stadium, and hawking packs of cards after he turned 18 in 1996 was a chance to turn that passion into profit. The business grew, eventually moved to its own building next door, and Bill’s Sports Cards and Memorabilia became a mainstay in Northeast Philly. But the outlook of ...