Monaco_1964_Yvert_637-Scott_565

Monaco_1964_Yvert_637-Scott_565_sepia

Monaco_1964_Yvert_637-Scott_565_sepia_detail

Monaco_1964_Yvert_638-Scott_566

Monaco_1964_Yvert_638-Scott_566_sepia

Monaco_1964_Yvert_638-Scott_566_sepia_detail

Monaco_1964_Yvert_638a-Scott_566_unadopted_Farman_sepia_ATP

Monaco_1964_Yvert_638a-Scott_566_unadopted_Farman_sepia_ATP_detail

Monaco_1964_Yvert_639-Scott_567

Monaco_1964_Yvert_639-Scott_567_sepia

Monaco_1964_Yvert_639-Scott_567_sepia_detail

Monaco_1964_Yvert_639a-Scott_567_unadopted_Nieuport_sepia_ATP

Monaco_1964_Yvert_639a-Scott_567_unadopted_Nieuport_sepia_ATP_detail

Monaco_1964_Yvert_640-Scott_568

Monaco_1964_Yvert_640-Scott_568_sepia

Monaco_1964_Yvert_640-Scott_568_sepia_detail

Monaco_1964_Yvert_640a-Scott_568_unadopted_Breguet_sepia_ATP

Monaco_1964_Yvert_640a-Scott_568_unadopted_Breguet_sepia_ATP_detail

Monaco_1964_Yvert_641-Scott_569

Monaco_1964_Yvert_641-Scott_569_sepia

Monaco_1964_Yvert_641-Scott_569_sepia_detail

Monaco_1964_Yvert_641a-Scott_569_unadopted_Morane-Saulnier_sepia_ATP

Monaco_1964_Yvert_641a-Scott_569_unadopted_Morane-Saulnier_sepia_ATP_detail

Monaco_1964_Yvert_642-Scott_570

Monaco_1964_Yvert_642-Scott_570_sepia

Monaco_1964_Yvert_642-Scott_570_sepia_detail

Monaco_1964_Yvert_642a-Scott_570_unadopted_Albatros_sepia_ATP

Monaco_1964_Yvert_642a-Scott_570_unadopted_Albatros_sepia_ATP_detail

Monaco_1964_Yvert_643-Scott_571

Monaco_1964_Yvert_643-Scott_571_sepia