Please complete this form and we will get back to you in 1 business day. Subject: jack500, Dug Jackson Marble Co. Swirls Enter your email address: Verify your email address: Enter your Question: Dug Jackson Marble Co. Swirls (Jackson Marble Co.)   Origin: Near Pennsboro, WV Condition: NM- to NM+ Size: 9/16-11/16" Sorry, we are currently sold out of 'Dug Jackson Marble Co. Swirls'. Please check back later. Qty in Cart: None Code: jack500 Price: $2.99 ea. Quantity:   These marbles were dug at the Jackson Company grounds near Pennsboro, West Virginia and so the provenance is solid. Jacksons are hard to find - it is generally believed they produced only two boxcars full of marbles. These are white swirled in black or transparent colored glass - blues, greens, purples.