A pair of perfectly fresh West Coast oysters on the half shell looked gray in the dim light, but tasted great. January 22, 2019 3600 × 2700 Intriguing, creative Ostra wins with sustainable fare A pair of perfectly fresh West Coast oysters on the half shell looked gray in the dim light, but tasted great. A pair of perfectly fresh West Coast oysters on the half shell looked gray in the dim light, but tasted great.