U.S. and Worldwide; The "Aurora" Collection of R.S.F.S.R.
February 8-10, 2011
| Images | Description | Current Bid |
 | Lot #374 COSTA RICA Air Post 1946 Hospital of St. John, 5c-5col, complete set of imperf. trial color proofs, v.f. P Catalog #C128-140P | Price Realized $220.00 |
 | Lot #375 COSTA RICA Air Post 1946 Hospital of St. John, 5c-5col, complete set of imperf. trial color proofs, with frame in issued colors, v.f. P Catalog #C128-140P | Price Realized $220.00 |
 | Lot #376 COSTA RICA Air Post 1948 National Theater, 15c-10col, complete set of imperforate blocks of four, each stamp with security punch, fine-v.f.  PCatalog #C168-177P | Price Realized $290.00 |
 | Lot #377 COSTA RICA Air Post 1959 Issue, selection of 18 imperf. blocks of four, central vignette and final design of each, stamps with security punches and occasional printer's corrections in ink, n.h., v.f. PCatalog #C274-82P | Price Realized $450.00 |
