This looks like the 1957 Lloydminster Meridians. Some guesses - Back row (left to right) - Marty Stillman, ??, ??, Dave Moriarty, Jim Hansen, ??, Curly Williams, Jerry Birk?, Ted Berner (?). Front row - ??, ??, Roberto Zayas, Ed Tanner, Harvey Mah, Modie Risher (?). (Photo courtesy Norman Thorpe)
1957 roster : Lloydminster Meridians : Anderson Robert RHP Brooklyn, NY, (also Saskatoon, Lloydminster), Barnes Frank, Berner Ted RHP Watertown, SD, Birk Jerry 2B St. Louis, Missouri (also Saskatoon), Blanks Jerry INF (also Regina Braves), Flichel Morley RHP (also Weyburn), Golden Dick SS (also Mitchell), Green Louis C (also North Battleford), Griffin Dick LHP East Lansing, Michigan, Hansen James RHP Visalia, CA, Henry Robert LHP New York, NY, Kuodis Donald LHP Chicago, Illinois, Labins Jerry RHP, Lehow Robert LHP (also Regina Braves), Lott Benjamin 2B Newark, NJ, (also Brandon), Maxcy Russell SS N. Miami, Florida (also Valentine), McGhee Tom OF/3B (also Saskatoon), Morgenstern Howard OF/LHP (also Minot), Moriarty David LHP/OF Madison, Wisconsin, Risher Modie UT Charleston, SC, Roberts Thomas SS/OF Huntington Park, CA, Sackett Donald RHP St. Louis, Missouri, Stefureak Ed OF/P/1B Edmonton, Alberta (also Weyburn, North Battleford), Stillman Martin RHP Brooklyn, NY, Stratton Patrick RHP, Tanner Charles (also Grande Centre), Tanner Ed C Dewdney, BC, Williams Robert (also Huron) Adrian, Michigan, Williams Willie Curly SS/3B Elloree, SC Zayas Roberto OF/SS Havana, Cuba