Is stamp collecting popular in Poland?

Is stamp collecting alive and well in Poland as a hobby or is it on a sharp decline (if it was ever popular) as it is in the USA?

It's also declining, though coin collecting is more popular in PL than in many places.

Stamp collecting used to be very popular in the last century, but now it's definitely not a mainstream hobby. Computers and the Internet changed the landscape.

Yes. I inherited a few albums with stamps from my parents who had started their collection in 1960s. I liked looking through those stamps as a child and I liked the animal ones best. Later I showed them to my kids and put away on the shelf again.

Here, the famous dinosaur series from 1965.

• 
  
  

I suspect it will have a revival since stamps are no longer used much in many/most countries and soon won't be used at all. This means there are a finite number, especially for 19th and early 20th century stamps.

T-Rex was the most valuable of all - 6.5 zlotys. That stamp allowed you to send a letter abroad.

And to think it might have had feathers.