If you want to collect Iranian military items, the old cavalry sabers are not hard to find. They look like Russian sabers but the quality is not that good with lots of grinding and file marks. Brass D guard handles and blued steel scabards. Look for numbers stamped in Farsi. Sorry, I don't have any images of them.
Above is a correct bayonet for the Iranian Mauser.
Somewhat off topic is this souvenier from my visit to the Islamic Republic of Iran. Not as cool as the old pre-revolutionary headgear: