It's a straight geo. I can't tell which one, and I've only tried coupole once, don't recall the taste. Likely one of Cargill's, or might be hansen's. All the major houses have ones that wrinkle. Allison and Adeline are pretty big on geo-only finishes. Call you supplier, show them a pic, and tell them to get you a mold mix that will produce wrinkles. The wrinkling is due to Geo structure... at the end they have unicellular arthrospores.
edit: no, it is a full or maybe every so slightly semi-lactic set done in the traditional long set style (24 hr set), not like a cam at all.
