Phonecard II. Issue for an insured letter to the USA the on the 2. Driveway of the U boat " Germany" was transported, tied by single circle postmark" dispatched the 23. September 1916 in Hamburg", prepaid cards for insured letter the actual were transported, are very rare. The piece is in in perfect condition fresh condition, without the usual fold traces or punchings. Two small tiny spot at the right margin are undisturbing and mentioned as a matter of form. The vast majority of known pieces are the planned and no longer taken place 3. Driveway to assign. The catalogue value by Michel is whose here offered piece inapplicable. Michel LP