Pair of John Wilhelm Weinmann German Copper Plate Engravings of Gourds, circa 1740 Consign Now DeptDecorative Arts, Fine ArtsSize13 in. x 17 in. Overall 20 in. x 23 in. Pair of John Wilhelm Weinmann (German 1683-1741) Copper Plate Engravings of Gourds, circa 1740, matted with carved gilt frames. Weinmann was a German botanist and pharmacist who produced his botanical engravings between 1735-1745. 13 in. x 17 in. Overall 20 in. x 23 in. Please note that this auction has ended. Click here for an overview of this auction.