Standard Lumber Company Ink Blotter. Material: paper. Size: 3 1/2" x 6 1/2". Description: yellow card stock rectangle with black and red graphic of a lump of coal over a red railroad track, "Famous Reading Anthracite"; other print on card front, "Chuck full of Heat That's why it's economical; keep our bin full of this...quality fuel; Standard Lumber Company, Janesville, Minnesota"; reverse side features a pink surface ink blotter.