(410) 727-4111 doesn't work any more?
Maybe an expedition to 1320 Light Street, Balto MD 21230 in person is called for. Pity is, I don't remember them being open Saturdays.
[Edit to add] You may have to do this by oldschool mail order. You know, licking stamps, finding an envelope, sending a paper check by return mail... all that 20th-century stuff.
