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1 BAHT
The 1st print run of the 1 BAHT stamp comes from Thai British Security Printing
and has the pictogram at the top left 
and 1 x "9" in Thai 
on the
Stamp sheet edge. (IA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: March 14, 2003, Quantity: 10,000,000 pieces
The 2nd print run of the 1 BAHT stamp comes from Thai British Security Printing
and has the pictogram at the top left and 2 x "9" in Thai 
on the
Stamp sheet edge. (IA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: January 22, 2004, Quantity: 10,000,000 pieces
The 3rd print run of the 1 BAHT stamp comes from Thai British Security Printing
and has the pictogram at the top left and 3 x "9" in Thai 
on the
Stamp sheet edge. (IA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: June 16, 2004, Quantity: 20,000,000 pieces
The 4th print run of the 1 BAHT stamp comes from Chan Wanich Security Printing
and has the pictogram at the top left 
and 4 x "9" in Thai 
on the
Brand sheet edge. (IIA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: December 20, 2005, Quantity: 20,000,000 pieces
The 5th print run of the 1 BAHT stamp comes from Thai British Security Printing
and has the pictogram at the top left and 5 x "9" in Thai 
on the
Stamp sheet edge. (IA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: August 14, 2007, Quantity: 9,000,000 pieces
The 6th print run of the 1 BAHT stamp comes from Thai British Security Printing
and has the pictogram at the top left and 6 x "9" in Thai 
on the
Stamp sheet edge. (IA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: July 1, 2008, Quantity: 10,000,000 pieces
The 7th print run of the 1 BAHT stamp comes from Chan Wanich Security Printing
and has the pictogram at the top left and 7 x "9" in Thai 
on the
Brand sheet edge. (IIA = Opr.; perf. K 14 1/4 14 1/2)
Issue date: August 10, 2009, Quantity: 10,000,000 pieces
The issues and print runs can be distinguished, among other things, by the following:
The printing technology (Opr., RaTpr.), the watermark and the
different perforation. Also due to slight color differences.
