Zis, great to see you back, nice find!
City of New York Police Department Bell 47D-1 N235B (cn 176) accompanied by two additional float equipped sister ships prior to their delivery to the NYPD in 1950 (Photo: The R.A. Scholefield Collection)
Another gem from R.A.'s black and white collection. The airfield isn't mentioned but R.A. has said it was taken in New York and my guess is that these craft may have been photographed at Buffalo Municipal Airport (now Buffalo Niagara BUF).