Extensively remodeled and enhanced original design (reproduced with permission) from Kohler's 1889 Botanical Atlas. Postcards 4 x 6" (102 x 152 mm) with USPS standard coated back are offset-printed at 2400 dpi by Overnight Prints.com with a glossy, UV-protected front, on firm high quality 15 pt cardstock. This printer produces an exceptional product, these cards are comparable with the best worldwide.