Pair of unsharpened mid-century electrographic pencils by Richard Best Pencil Co., model Electro–Test Scorer No. 240. Made for early test-scoring/mark-sense machines, these produce very dark, scanner-readable marks and are a nice slice of school & office tech history.

• Maker/Model: Richard Best Pencil Co., Electro–Test Scorer Nº 240

• Era: c.1950s–1970s, USA made

• Purpose: electrographic “test scoring” graphite—dark, conductive, smooth writing

• Construction: black-lacquered hex cedar, brass ferrules, pink erasers

• Length/Status: full length, factory unsharpened pair

• Barrel stamps: “ELECTRO – TEST SCORER Nº 240” and “MADE IN U.S.A. BY RICHARD BEST PENCIL CO.”

• Condition notes: clean with light storage rubs to lacquer/ferrules; erasers show typical age and are untested for pliability

Please view all the photos for the best look at condition and details.