Bidspirit auction | Karl Lewis Illustrated Covers -

Karl Lewis Illustrated Covers - British Commonwealth - Tonga (Tin Kan Mail) - June 17, 1937, cover from Niuafoou to Denver, CO, franked by two definitives, tied by Niuafoou ds, sideways red violet date stamp ''Dispatched by Tin Can Mail'' is alongside, various Island markings on reverse along with opening remark '') N ('', tiny spot of soiling, still VF and rare, Est. $350-$450, Sc. #39, 55