Europe: 
Denmark
Denmark pick 44ae: 10 Kroner from 1970
(19)70-71. Black and brown. Portrait Hans Christian Andersen at left, white storks in nest at right, text line added in upper and lower frame. Portrait Hans Christian Andersen at left. Back: Black landscape at center. Second signature Valeur. Prefix A9-B9.
Other Info
Denmark pick 49a: 20 Kroner from 1979
(19)79. Dark blue on brown and multicolored underprint. Portrait of Pauline Tutein at right. Male and female house sparrow at left center on back. Watermark: painter's palette, brushes, and 20. Year of issue shown by the two middle numerals within the series code at lower left or right. Prefix A0-A4.
Other Info
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Denmark pick 50d: 50 Kroner from 1979
(19)79. Dark gray on pale blue, dull purple, and pale green underprint. Portrait of Mrs. Ryberg at right. Carassius-Carassius fish at left on back. All with SERIE 72 at lower right on back. Year of issue shown by the two middle numerals within the series code at lower left or right. Prefix A6.