San Marino, 1939 UPU Presentation Booklet. Given to delegates at the 1939 Buenos Aires Universal Postal Congress, containing the complete "Liberty and Castles" series of 1929-35 to the 20L; stamp in pristine mint never hinged condition, plus the 1929 Express values; folder with small faults, o.g., never hinged. Sassone No. 141-158 €1,500 ($2,055). Scott No. 115-133  $472 for hinged. $0 (Image)