StampData
Stamp catalog
Lists
Joint Issues
Sheets
Notes
Albums
Collections
Catalogs
Things
Tools
Statistics
Quiz
Login
Prev: event series
Hydrological Congress
Next: observance
Hydrological Decade
21st Hydrological Congress
Details
|
Gallery
|
One example each
|
All examples
|
Order by name
|
Oldest first
Issues
1930
10c ovpt=XXI//Congresso//Idrologico oc=blk on=1929-10c
1930
20c ovpt=XXI//Congresso//Idrologico oc=blk on=1929-20c
1930
25c ovpt=XXI//Congresso//Idrologico oc=blk on=1929-25c
1930
30c ovpt=XXI//Congresso//Idrologico oc=blk on=1929-30c
1930
50c ovpt=XXI//Congresso//Idrologico oc=blk on=1929-50c
1930
1.25l ovpt=XXI//Congresso//Idrologico oc=blk on=1929-1.25l
1930
5l ovpt=XXI//Congresso//Idrologico oc=blk on=1929-5l
1930
10l ovpt=XXI//Congresso//Idrologico oc=blk on=1929-10l
1930
