Vintage Unisonic Clear Telephone 1980s Model 6900 Home phones with a see-through skeleton were all the rage. If you still have a landline (or want memorabilia from when you did), consider this Vintage Unisonic Clear Telephone 1980s Model 6900 ($105). Image Source: etsy.com Vintage Unisonic Clear Telephone 1980s Model 6900 $105 from etsy.com Buy Now