Last time Black Alternates were worn? : r/49ers
Photo gallery of 49ers new throwback alternate uniforms for 2018
49ers Throwback Uniform — UNISWAG
49ers to wear throwback jerseys for 3 games in 2023
49ers Throwback Uniform — UNISWAG
NFL to allow teams to use alternate-color helmets starting in '22
49ersRGB Uniforms Return for Week 5 TNF 'Color Rush' Game
49ers Unveil Alternate Throwback Uniforms at Annual State of the
Last time Black Alternates were worn? : r/49ers
49ers to wear throwback jerseys for 3 games in 2023
49ers Introduce New Throwback Alternate
49ers Color Rush TNF uniform will be black, red alternate - Niners