cover 1812, 1813 and 1815 entire/entire letters ex the Priaulx correspondence to Guernsey, the first marked "Missent to London from Pool" and with London oval-framed "SHIP/Crown/LETTER", the second marked "p H M Ship Galatea" with step-type "PORTSMOUTH/SHIP LETTER" and the last with oval-framed "Ship Lre/Crown/PLYMOUTH DOCK" in red