| 1978 United Airlines Stock Certificate Rare Orange |
| Northeast Airlines Group Insurance Certificate |
| Singapore Airlines Inaugural Flight certificate SIN-LHR |
| Northeast Airlines Group Insurance Certificate |
| Continental Airlines Travel Certificate $180.50 |
| ATA airlines $50 Travel Discount Certificate |
| Continental Airlines Travel Certificate $182.50 |
| United Airlines Round Trip Travel Voucher Certificate |
| Continental Airlines Travel Certificate $169.00 |
| united airlines travel certificate |
| Midwest Airlines $75 Discount Certificate |
| Continental Airlines FIRST CLASS Upgrade Certificate |
| $150 Northwest Airlines / MLT Gift Certificate Card NR! |
| Continental Airlines Travel Certificate $421.50 |
| Continental Airlines E CERTIFICATE Travel Voucher $147 |
| UNITED AIRLINES VOUCHER CERTIFICATE FLY ALL 48 |
| $250 American Airlines Gift Certificate |
| McCormick & Schmick's Alaska Airlines Certificate |
| United Airlines $200 Travel Certificate Voucher Feb 09 |
| Vintage Japan Airlines Certificate 1957 Dateline Xing |
| 1966 Japan Airlines Intl Date Line Crossing Certificate |
| 1951 Scandinavian Airlines Equator Crossing Certificate |