Azerbaijan Birds WWF Caucasian Black Grouse 4v IMPERF SHEETLET UNIQUE 1994 MNH SG#178-181 MI#161-164 Sc#454 a-d

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Probably UNIQUE- the artist's trial copy

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Condition: ** Mint Never Hinged

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Catalogue Numeration:
Stanley Gibbons No.: 178-181
Michel No.: 161-164
Scott No.: 454 a-d
Yvert No.: 163-166