Description
THE PORTLAND MINE – VICTOR
“Colorado’s Most Productive Gold Mine”
The Cripple Creek Mining District
from The Colorado Mining Series
One Troy Ounce .999 Fine Silver
3-7/8 cm in diameter = 1-3/4 inches in diameter
One minting in 1989 done to coincide with the publication of the book,
THE PORTLAND MINE – COLORADO’S GREATEST GOLD MINE, 1989
Written by Brian Levine
Photograph work by Joe Vanderwalker
Not more than 100 minted for series and book
COLORADO ARTIFACTUAL




![THE FREE COINAGE GOLD MINING COMPANY, Cripple Creek, Colorado, Sam Strong signed bank check, 1900 [revenue imprint RX-7]](https://i0.wp.com/coloradoartifactual.com/wp-content/uploads/2023/02/Free-Coinage-Gold-M-Co-Sam-Strong-check-237-a-scaled.jpg?resize=250%2C250&ssl=1)

