Abstract: A bottle closure formed by injection molding and including a body member having a generally cylindrical portion and at least one generally circular end portion; and markings such as designs, logos, or other identifying information molded into the end portion during the injection molding process. The bottle closures are molded using one or more pins having face plates that are releasably positioned in a mold cavity and are formed with the reverse of the markings. The plates are adapted to be specific to the producer of the contents of the bottle and are quickly and easily swapped in and out of the mold cavity to permit a single mold cavity to be used to produce a variety of customized bottle closures. The closure may be of any desired shape, including the generally cylindrical used, for example in wine bottles, or T-shaped in longitudinal cross section, referred to in the industry as “T tops”, used, for example, in bottles of spirits, vinegars, oils, and the like.