Penrhyn Island, Covers, 1906-1937, scarce group of 14 items, with 2 on piece & proof block of 4 of 6p red-brown & sepia; covers including 1sh on 1910 regular cover to England; block of 4 SG40 on 1932 cover to N.Z., other choice usages; please inspect. Estimate  $400 - 600. $0 (Image)