Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Spain - Canary Islands - 1937-38, two covers franked by complete Canary surcharged air post sets mixed with Spanish adhesives, first one addressed to US with airplane delivery to Frankfurt (Main) and then by train and vessel to New York, the other one presumably was sent to Brussels by several connected flights, all appropriate markings and arrival ds, mostly VF, Est. $200-$250, Scott #9LC31-33, 9LC51-53