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Karl Martens, Arctic Tern
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Karl Martens, Red Kite
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Karl Martens, Caspian Terns
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Karl Martens, Sandwitch Terns
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Karl Martens, Grey Heron (Unframed)
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Karl Martens, Osprey
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Karl Martens, Golden Eagle
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Karl Martens, Dove
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Karl Martens, Curlews
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Karl Martens, Peregrin Falcon
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Karl Martens, Snowy Owl
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Karl Martens, Long-eared Owl
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Karl Martens, Pygmy Owl
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Karl Martens, Tawny Owl
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Karl Martens, Barn Owl
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Karl Martens, Red Grouse I
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Karl Martens, Red Grouse II
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Karl Martens, Red Grouse Flying
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Karl Martens, Hoopoe
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Karl Martens, Common Snipe
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Karl Martens, Common Snipe flying
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Karl Martens, Goshawk
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Karl Martens, Robin I
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Karl Martens, Robin II
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Karl Martens, Wood Warbler
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Karl Martens, Goshawk
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Karl Martens, Red Kite
Karl Martens - Cricket Fine Art London
Past exhibition