Reuters has a nice story about how Glencore had a barter arrangement with an Iranian company which was itself a supplier into the Iranian nuclear program.

FORBES: Glencore's Barter Arrangement With Iranian Nuclear Firm

In what Mr Audrines describes as a barter arrangement (in which the Cubans seem to get the rough end), Caracas will trade them for eight macaws, two tapirs, a puma and four capybaras.

ECONOMIST: Venezuela and Cuba

The perpetrator, in the first instance, is a former East German protester who got to the West through freikauf, a barter arrangement popular in the 1970s and early 1980s, that involved selling dissident flesh for hard currency.

ECONOMIST: New fiction

From the taxpayer's standpoint, a further concern should be noted: Bush Administration officials have strongly hinted that they may take a page from Germany's playbook and permit Moscow eventually to pay for U.S. oil and gas equipment and technology sales through an oil barter arrangement.

CENTERFORSECURITYPOLICY: Center For Security Policy