• Grandma knitted this in the Seventies, either for the '73 or '75 baby.
• I would call the color winter white.
• Acrylic.  Hand wash or in a lingerie bag on gentle.
• Tie closure. 
• Fancy yoke across front, over the sleeves, and around the back.  Fancy-finished hem.
• Very nice condition.
• Shipping cheerfully combined.  Please advise before paying.
• Promptly shipped Ground Advantage.