Remember this: YOU YOURSELF MUST CHARGE the talisman, for it to be effective; yes, the talisman might have been made at the proper astrological hours, proper timing, of the proper symbolism, even with proper accompanying actions during its manufacture, but unless you yourself created it, it will NOT "work" for you (in your field) UNLESS you charge it ("consecrate" it) YOURSELF for YOU, at the appropriate astrological time.
Unless PERSONALIZED, even properly made talismans are merely "good luck" pieces at best...