Platinum Earthworks $140.00 1/8 page, b & w; March issue (pre-paid first insertion) Platinum Earthworks quantity Add to cart Category: Advertising invoice Related products Protected: DY 16859 $300.00 Add to cart Protected: 1/2 page black and white ad $400.00 Add to cart Protected: 2 1/2 page color ads $1,250.00 Add to cart Protected: 1/4p color ads for October and November $600.00 Add to cart Posted on February 15, 2022 by Deanna.