Brand: Shaft.
Producer: Shaft Brewery.
Description: Black crown cap, white logo and letter: "S". On the side white text: SHAFT BREWERY * SHAFTBREW.COM * RIVIERA VILLAGE - REDONDO BEACH CA. Identification: SSSS. Inside "Buttoms up". (Note: The difference with the [68340], lies in the word that is inside, in one it says "Buttons" and in the other "Bottons").
Factory sign: Alucaps Mexicana.