Hi vella! I just did some digging through my closet and found a wrapper I'd saved from one of my souvenir purchases in Madrid's Plaza Mayor. This one is on the WEST wall (interior, of course) maybe close to the middle or a little south (left, as you face it) from the center.
It's call MONSY: Objetos de Regalo/Souvenir de España. In the graphic/logo of MONSY, each of these 4 letters is in colored diamond and each letter is in Old English style script.
Anyway, while not sure they had the family crests (they seemed to have EVERYTHING, though), it's at: Plaza Mayor, 20.
Telephone (from the US): 011 34 91 548 1514
Don't expect them to speak English if you call by telephone, though. Good luck! I hope this is the one!
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