Hello, I Want Mineral And Mining And Geology And Oil Stamps

Hello friends,
How are you?
I'm Mahdi From Iran and I want mineral and mining and geology and oil stamps from all of the world.
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I'm collector of this stamps.
Thanks and regards
Mahdi

Hi Mahdi,

It sounds like you want to collect stamps topically.

I imagine you could find suitable stamps from a variety of sites. eBay could work, as well as Hipstamp. You might even find some people who sell stamps in that topic. I think there are some companies that make catalogues of all the stamps a certain topic. That way you know what is out there, and what you don't have. Who knows? Maybe they made a catalogue for stamps in your topical area...