Probe (1960s) comic books
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Probe (1960s) #18Published Mar 1967$8.00
View scanSpring 1967. UFO-oriented magazine featuring articles, news items, book reviews, and more. 8.25-in. x 11-in.; black and white; 40 pages. A must-have for anyone interested in the history of UFOlogy. Cover price $0.75.