Actually, it's Carol (no "e") Lombard, the name she used while at Pathe in 1929 (two years before she actually took the vows for the first time). It's CL-112, presumably taken at the same session where she posed in a full-length photo of the gown for CL-109:
CL-112 is being auctioned at eBay; it's an original 8" x 10", said to be in excellent condition. Bidding starts at $249.95 and continues through 11 p.m. (Eastern) next Wednesday. If you're interested or would simply like to learn more, visit http://www.ebay.com/itm/Vintage-Carole-Lombard-20s-WHITE-LACE-WEDDING-GOWN-Portrait-/400259159585?pt=LH_DefaultDomain_0&hash=item5d314e1621. And thanks to Tally Haugen for her work.