Denmark
Denmark, Unused postal stationary
1928. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 34x.
Denmark, Unused postal stationary
1928. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 35x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 56x. Very unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 37x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 38x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 38x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 38x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 41x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 41x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 42x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 42x. Unusual. Cancel: Til Lægerne.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 44x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 44x. Unusual.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 44 x. Very unusual. Variety without - between 44 and x.
Denmark, Unused postal stationary
1929. DANMARK. STATENS SERUMINSTITUT. 15 ØRE. Print 46 x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.
Denmark, Unused postal stationary
1930-1931. DANMARK. STATENS SERUMINSTITUT. 10 ØRE. Print 46x.