Well I see two B's, two R's, two A's, two S's, two I's and two L's. I'm not an expert. My first thought is that it is Machine Doubling. It looks shelf like. If it's MD, it's the most dramatic MD I've ever seen. Whatever it is, it's a keeper. Nice find! !
Others will chime in here shortly..
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In Memory Of Those Members Who Left Us Too Soon.....