Marbles: CHRISTENSEN AGATE COMPANY, Swirl. 21/32". Mint (9.6).

CHRISTENSEN AGATE COMPANY, Swirl. White swirls in black. Cambridge OH, circa 1925-1930. Provenance: ex-collection Catherine Kortvely 21/32". Mint (9.6).

Marbles: CHRISTENSEN AGATE COMPANY, Swirl. Opaque yellow base with red and brown swirls. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Stunning marble. Pale salmon and pale black swirls in white. Nice addition to any Christensen Agate collection. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Red and very dark brown swirl in light green. Cambridge OH, circa 1927-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Red swirls in green base. Nice. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Opaque mustard yellow swirls in transparent maglite amethyst base. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Opaque light green base with dark red swirls with dark brown edging. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Two-tone red swirls in light blue. Cambridge OH, circa 1925-1930.21/32". Mint (9.5).

CHRISTENSEN AGATE COMPANY, Swirl. Yellow swirls in light blue. Cambridge OH, circa 1925-1930.21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Red and brown swirls on light blue. Cambridge OH, circa 1925-1930.21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Mustard yellow swirls in powder blue base. Cambridge OH, circa 1925-1930.21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Light blue base with ruddy red swirls. Some pitting. Cambridge OH, circa 1925-1930.21/32". Near Mint(+) (8.9).

CHRISTENSEN AGATE COMPANY, Bloodie. Hard to find Bloodie Swirl. Opaque white. Swirl is transparent dark red with transparent wispy brown on top of it. Super example of this type. Cambridge OH, circa 1

CHRISTENSEN AGATE COMPANY, Bloodie. Transparent red swirls in opaque white. Cambridge OH, circa 1927-1930. 21/32". Mint (9.7).

Lot 115. CHRISTENSEN AGATE COMPANY, Swirl. Orange and light green swirl. In nice shape. Cambridge OH, circa 1927-1930. 11/16". Mint (9.6). Estimate $25-$50

CHRISTENSEN AGATE COMPANY, American Agate. Red swirls in semi-opaque white. A couple of tiny pinpricks. Cambridge OH, circa 1927-1929. 21/32". Mint(-) (9.0).

CHRISTENSEN AGATE COMPANY, Swirl. Beautiful swirl of light blue, red and yellow. One tiny sparkle. Cambridge OH, circa 1925-1930.5/8". Mint(-) (9.2).

ALLEY AGATE COMPANY, Swirl. Pistachio. Brown translucent swirls in opaque light pistachio green base. The base is very fluorescent. Pennsboro, circa 1930-1935.21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Slag. Blue Slag. Single seam. Pretty marble. Cambridge OH, circa 1925-1930.21/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Green swirls in yellow base. Beautiful. Cambridge OH, circa 1925-2930. 19/32". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Salmon swirls with brown swirls in light blue. Black edging of the swirls. Cambridge OH, circa 1925-1930. 5/8". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Mustard yellow swirls in black. Nice swirling. Yellow is light. Cambridge OH, circa 1925-1930. 11/16". Mint (9.8).

CHRISTENSEN AGATE COMPANY, Swirl. Light yellow swirl in black. Very nice. Cambridge OH, circa 1925-1930. 5/8". Mint (9.9).

CHRISTENSEN AGATE COMPANY, Swirl. Yellow base with light green and brown swirls. Nice pattern. Cambridge OH, circa 1925-1930.5/8". Mint (9.7).