Lot
238 
1857, 1858 South America to Liverpool, England, two folded letters with dotted Liverpool double-arc datestamps, 1857 with Demerara (8.25) and London (9.14) backstamps, Liverpool (9.14) arrival cds, manuscript "2/-" shilling due rating for double packet rate, 1858 with Rio de Janeiro (5.14) and London (6.13) backstamps, Liverpool (6.14) arrival cds, manuscript "1/-" shilling due rating for single packet rate, a Very Fine pair at the single and double packet rates. Estimate $150 - 200.
In 1857, the Liverpool head post office introduced experimental handstamps incorporating pins, this marking had just two arcs set in pin dots to minimize the amount of damage to the actual letters, it was used on incoming mail from South America during the period of 1857-58.