(Ca. 1930s) Small size Currency Counterfeit Warning Notice for Retailers from the Denver Clearing House. Very Fine.White paper. 4pp. Small octavo, 16 x 21 cm. Two pages with line drawings and diagnostics of counterfeit small size legal tenders and FRN. Back page with warnings and advice such as "delay the person [passing]." Interesting. Housed in custom sized mylar in acid-free paper archival display folder.From the MJS Collection.