expired 12/1981 Eastern Airlines Stockholder travel voucher $50.00 issued 4/1/81

Some recent airline voucher auctions on eBay:

Southwest Airlines Coupon Drink Voucher. (8) Exp: Mar '19 (4) & Apr '19 (4)

$32.00 (18 Bids)
End Date: Thursday Dec-13-2018 13:06:16 PST
Bid now | Add to watch list

Southwest Airlines Coupon Drink Voucher. (8) Exp: May '19 (4) & Aug '19 (4)
$27.00 (18 Bids)
End Date: Thursday Dec-13-2018 13:13:10 PST
Bid now | Add to watch list