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209: JACK YOUNGERMAN, Untitled < Modern Art & Design, 21 May 2017 < Auctions | Los Angeles Modern Auctions (LAMA)
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148: JACK YOUNGERMAN, Green-Black < Post War + Contemporary Art, 10 March 2022 < Auctions | Rago Auctions
![327: JACK YOUNGERMAN, Maquette for Amnesty International poster < Modern Art & Design, 11 October 2015 < Auctions | Los Angeles Modern Auctions (LAMA) 327: JACK YOUNGERMAN, Maquette for Amnesty International poster < Modern Art & Design, 11 October 2015 < Auctions | Los Angeles Modern Auctions (LAMA)](https://www.lamodern.com/items/index/2000/327_0_modern_art_design_october_2015_jack_youngerman_maquette_for_amnesty_international_poster__lama_auction.jpg?t=1629148189)
327: JACK YOUNGERMAN, Maquette for Amnesty International poster < Modern Art & Design, 11 October 2015 < Auctions | Los Angeles Modern Auctions (LAMA)
![Jack Youngerman, BLUE/YELLOW from New York City Center of Music & Drama Portfolio, 1968 - Alpha 137 Gallery Jack Youngerman, BLUE/YELLOW from New York City Center of Music & Drama Portfolio, 1968 - Alpha 137 Gallery](https://cdn11.bigcommerce.com/s-n5q4qk/images/stencil/2048x2048/products/624/1787/Youngerman_blue_andyellow__05668.1485363310.jpg?c=2)