IV: THE FOURTH ISSUE
The fourth issue was released in December 1905 with values of 1 att (the local printed matter single rate), 2 atts (the local single rate for letters), 3 atts (the foreign printed matter single rate), 4 atts (the domestic provincial single rate), 5 atts, 8 atts (the local single registered rate), 12 atts (the non-neighboring foreign single rate), 24 atts (the non-neighboring foreign single registered rate) and 1 tical (64 atts).  The second printing was issued in April 1908 to accommodate a rate change from 12 atts to 9 atts and included values 9 atts (the new foreign single rate) and 18 atts (the foreign single registered rate).  The second printing is differentiated by colour changes. 

Fourth issue 1 att block of 4
 Fourth issue 9 atts block of four


The fourth issue stamps, first and second printing.
  
Fourth issue on cover
1908 cover from Kedah, Malaya, to Kandramanickam, India, bearing 1 att and 4atts values of third issue tied by Kedah cds dated April 1908 with transit marks of Penang and Madras.


Classic Siam: The Early Years (4 of 5) Page 4 of 45
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