Lot of four U.S. postal or philatelic association and companies' stock certificates, issued from 1906-1930. Includes: American Philatelic Association, issued 1906, No. 2167, one share, signed by President Wm. C. Stine and Secretary D.T. Eaton, 11.75" x 8.25", some staining; Continental Postage Meters Corporation, Delaware, issued 1930, No. 123, 10 shares, signed by President and Secretary, 11" x 8", two slight folds; Cox Multi-Mailer Company, Maine, issued 1911, No. 1459, 50 shares, signed by President and Treasurer, 12" x 9", eagle vignette, slight wear upper right corner; Post Office Building Corporation, Texas, issued 1923, No. 24, 26 shares, signed by President Jack B. Robert and Secretary, 10.5" x 8.5", Texas star vignette, two slight folds.Date: 1906-1930Country (if not USA): State: City: Provenance: Ken Prag Collection