Thailand 1908 Chulalongkorn Jubilee Block of 4 Postage Stamps Mint Never Hinged

This block of four overprinted postage stamps was issued by Thailand to commemorate the 
40th anniversary of the Chulalongkorns reign.

Date of issue: November 11, 1908
Colors: Green and Orange
Printers: Giesecke & Devrient | Gotte Co., Bangkok (Overprint)
Emission: Commemorative
Perforation: 14
Printing: Recess