(San Diego) San Dieguito, Cal., Mar 25, clear cds (SAN-5780, R4) on cover to San Diego, franked with 1873, 3¢ Banknote (s.e. at left) tied by target handstamp, Very Fine, one of two known examples of this rare first San Dieguito townmark, ex-Tatham. Estimate  $150 - 200. $0 (Image)