U.S. & Worldwide Stamps
April 25-26, 2012
| Images | Description | Current Bid |
 | Lot #667 CUBA Air Post 1942 Columbus, 5c carmine, imperforate block of four, plate proof on stamp paper, v.f.  PCatalog #C36P | Price Realized $450.00 |
 | Lot #668 CUBA Air Post 1952 Col. Hernandes y Sandrino, 5c-$1 set of ten imperf. plate proofs in green, v.f., scarce P Catalog #C63-72P | Price Realized $450.00 |
 | Lot #669 CUBA Air Post 1954 Airplane and Industrial Designs, 5c-$1 set of eleven imperf. plate proofs in green, vertical or horizontal pairs, v.f. P Catalog #C96-106P | Price Realized $900.00 |
