In 1998 the ATM issues
were all practically related to the parallel commemorative philatelic issues.
The printings reduce notabily and increase the issues total number per
year (6). It appears the 1st local private issue with a very reduced
about the ATM issues, please click over the image or link
The first digits correspond to the number of issue of thermal type
(T) whereas the number between parenthesis corresponds to the general
catalogue of ATM issues in Spain.