Date of issue    :     20 January, 1992

Purpose           :      To commemorative the 4th Asia - Pacific Orchid Conference which is hosted by Thailand.

Design             :      2.00 Baht : Natural habitat - found growing on high elevation limestone mountains in Northern Thailand.                Blooming season : Peak of blooming season is ranging from November to January.  

                              3.00 Baht : Natural habitat - found growing in limestone areas in various parts of Thailand.                                            Blooming season : almost all year round but less in dry and warm peroid.

                              6.00 Baht : Natural habitat - on limestone cliffs. near the sea, in southern Thailand and Northern                                    Malaysia.

                              Blooming season : continuously several months a year from the middle of rainy to dry seasons.

                              10.00 Baht : Natural habitat - found growing epiphytically on a range of between 800 - 1,200                                        meters elevations in Northern Thailand and neighbouring countries. Blooming season : from                                          December to February.

Printer            :        Leigh-Mardon Pty. Limited, Australia

Printing Process  :  Lithography