Rockaway, Cal (San Mateo County). Provisional manuscript postmark (Williams SAM-1590) July 22, 1908 post card to Colma, Cal., franked with 1902, 1¢ green tied with pink killer, Very Fine, opened for 4 ½ months in 1908, 2 manuscripts known. Estimate  $100 - 150. $0 (Image)