70th Birthday Gifts for Women Tumbler 20oz, Gifts for 70 Year Old Woman/Her/Mom/Grandma, Happy 70th Birthday Decorations 20 Ounces 70th is up for auction in Home & Kitchen. The current bid is $3.50, 82% below the $19.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.