Waterbury Ct., "W", clear strike of serif cancel duplexed with "Waterbury Con Jun 8 '66" cds ties 1¢ blue (63) on locally addressed light yellow cover; reduced at right with small repair, Very Fine strike and appearance. Rohloff No. LS-W 20  Estimate $400 - 600. This is the rarest serif type of the Waterbury "W", and this example was used almost one month after the latest recorded use by Rohloff & Diamond. $0 (Image)