The Binder Catalogue

Startling Stories, July 1947, pgs. 57-63. (source)

"Gold!" He said the one word quietly. Then he sat down on the lump, shaken. "Gold," he repeated. "I hit it—gold! My bonanza! My dream for ten years!"

The Gold Rush, except in space. Some notes:

Gold is worth more than it was in the 20th century. 

Contrary to all fanciful and unfounded predictions, gold had never lost its value [...] When space travel came into being, an alloy of gold became the standard coating for-all' equipment used on other worlds, some of which had noxious atmospheres that could rust iron or copper in days to worthless dust. But gold in its alloy-hardened form defied the worst other worlds had to offer. Thereupon gold became a metal of commerce and its value rose even higher than its one-time value as a money standard. And so, with his find of gold, Homer Timkin was as suddenly wealthy as any Spanish explorer of the New World, back in earth's past.

No Euros, instead: Solar System Dollars. Despite having a shared currency, the global (universal?) economy experiences competition between foreign markets:

In all their explorations of other worlds earthmen had never found any beverage better than time-honored coffee, though the Martians tried hard to sell a green-tinted product called tukka.

Held at the Cushing Memorial Library College Station.