Pan Tianshou is a famous painter and seal engraver in China. His works are famous for traditional Chinese paintings and seal cutting. Pan Tianshou's works are quite precious, but the collection value of stamps will be affected by some factors.

First of all, the stamps of Pan Tianshou's works may be issued in limited quantities, which means that the number of stamps is limited, so it is scarce in the collection market, thus increasing its collection value.

Secondly, the collection value of stamp stamps is also related to their recognition and liquidity in the stamp market. If a stamp version of Pan Tianshou's works is very popular in the stamp market and market participants are willing to pay a higher price, then its collection value will increase accordingly. In addition, if the stamp version of the ticket has good liquidity in the post office or stamp trading platform, it will help to improve its collection value.

finally, the preservation status of stamp stamps is also very important. If the stamps are well preserved without obvious damage or wear, then their collection value will be higher.

To sum up, the stamp stamps of Pan Tianshou's works have certain collection value, but the comprehensive influence of the above factors should be considered for the specific value. If you have stamps of Pan Tianshou's works, it is recommended that you consult professional stamp collectors or refer to relevant market conditions for more accurate evaluation and guidance.