I just paged through Dale's book and find only 15 designs that are designated as embossed paper. That's not counting variations in a design, or any of the numerous advertising paper chips. I also didn't count stamped or paste-on paper variations.

Most will be found in 3 and occasionally 4 colors. Because they are not very durable and don't get much respect from either collectors or antique shop owners, the attrition rate is pretty high. In another 25 years, embossed paper chips may be considered rare!