827 | Event | | Group of 16 event covers for US Open Sandcastle Competition (1985: 8 covers including set/5 w/Seashells singles plus 1 H/C, Imperial Beach CA round dater; 1986: 3 covers w/different singles Imperial Beach CA Pict; 1987: 1 cover, Imperial Beach CA Pict; 1990: 4 covers w/different singles, Imperial Beach CA Pict), cachets by Stan Kibbett | $20.00 |