These units are country collections. They often start with the 1st aerogramme of the country and run into the 1970s. Often there is a mint and used (FD - cto) of each aerogramme. There is no duplication aside from that. If you want more information on a specific unit, please let me know. A few units are all mint and that is noted. Thanks, George

 
Aerogrammes, World Wide
Non-British

                 Quantity         Price
Afghanistan              1              $25     1973, revalued - Pic
Austria                 15              $45

Austria Ballon Post      2              $50     1953, mint and cto envelopes
                                                Ballon Post Envelopes

Finland                  8              $30
Honduras                 8              $25
Honduras                 6              $20
Iraq                     2              $10     1963 Aeros.
                                                Iraq Aerogrammes
Isreal                 114              $70
Italy                                           Italy Aerogrammes
Korea                                           Korea Aerogrammes
Libya                   10              $30
Madagascar               1              $15     FG1,mint
Port Col CD42           12              $65     Port Col CD42 Aeros

Portugal-Military       37             $325
San Marino               2              $35     25l & 80l surcharged,
                                                 1951 fdc San Marino Aeros  
Sharjah                 11             $325     11 aerogrammes Sharjah Aeros
South Arabia                                    Winston Churchill and John F. Kennedy overprinted aeros, click here
Vatican                 13              $75
Viet Nam -
  Canadian Forces                       $15     Flown cover, July 14, 1973

 
Aerogrammes, World Wide
British Commonwealth
                      Quantity        Price
Australia              105             $250
Australia               44              $55
Aust 25 CC              25              $50
Aust - Isls cxl          5              $25
Aust Bs (envlps)         8              $35
Aust As                  8              $26
Aust Cs                  6              $25
Aust Gs                  8              $22
Aust Es                  3              $12
Bahamas                 14              $25
Barbados                 7              $10
Ceylon                  32+            $100
Christmas                5               $8
Cyprus                   3               $7
Malta                    4              $10

Nauru                    5              $15
Nepal                   24             $140
Nepal (Speccialized)                          Click here. 
New Zealand
    Formula              3              $10
    Ross Specm           1               $8
Rhod & Nyasa
         Unit   a       20              $58
         Unit   b        8              $45
         Unit   c        5              $30
         Unit   d        7              $30
St Christopher           7              $14  All mint, appears to have all
                                             Kessler listed except for K-5 (12c
                                             1955), 2 ccy of 1955 5c, one with
                                             "G" and other with "R"
St Christopher          17              $20
St Lucia                10              $55
St Vincent              10              $12
Tonga                    4              $12
Tristan D Cunha          6              $40