Marbles: CHRISTENSEN AGATE COMPANY, Swirl. 11/16". Mint (9.8).

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

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. Handgathered swirl pattern of electric red and semi-opaque white with clear. Manufacturing touch spot and a couple tiny scratches. Cambridge OH, circa 1925-1

Lot 120. CHRISTENSEN AGATE COMPANY, Swirl. Three-color Swirl. Very nice condition. Cambridge OH, circa 1927-1930. 19/32". Mint (9.8). Estimate $125-$250

Lot 118. CHRISTENSEN AGATE COMPANY, Swirl. Three-color Swirl. Very nice condition. Cambridge OH, circa 1927-1930. 19/32". Mint (9.8). Estimate $60-$125

CHRISTENSEN AGATE COMPANY, Guinea. Super example. Cobalt blue base. Covered with splotches and stretched lines of bright color. Two-seam pattern. A couple tiny pinpricks. Cambridge OH, circa 1925-1930

CHRISTENSEN AGATE COMPANY, Guinea. Transparent blue base covered with electric color flecks. Two seam. Small cold dimple. Cambridge OH, circa 1925-1930. 11/16". Mint (9.7).

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).

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. Green swirls in yellow base. Beautiful. Cambridge OH, circa 1925-2930. 19/32". 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. 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. Opaque mustard yellow swirls in transparent maglite amethyst base. Cambridge OH, circa 1925-1930. 21/32". Mint (9.9).

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

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. Light yellow swirl in black. Very nice. Cambridge OH, circa 1925-1930. 5/8". 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. Yellow base with light green and brown swirls. Nice pattern. Cambridge OH, circa 1925-1930.5/8". Mint (9.7).

CHRISTENSEN AGATE COMPANY, Swirl. Oddly colored swirl. Yellow mixed with green swirls in mottled light blue. Cambridge OH, circa 1925-1930.5/8". Mint (9.5).

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