CD-ROM "Thai Postage Stamps Catalogue" contains over 1,800 Thai stamps and 160 souvenir sheet from the first issued. The CD illustrates all stamps by date of issue and category.Each stamp information includes stamp name.Date of issue, Purpose , Design,Perforate,Printer,Printing Process.Print, Print quantity,Fair market prices,etc. Not only the stamps information, the CD also contains History of Thai Stamp, How to keep stamp, Water Mark,Abbrevations and Vocab from stamp. The CD provides calculation of your stamp collection. Only put number of stamps on your collection, the program will calculate the total value of your collection in fair market prices.