[Puzzles] Ons land in Mobilisatietijd

Seven Mobilisation puzzles by Marten Toonder, O en O, 1939. Titles: (1) 'Met Verlof'. In orig. envelope (2) 'Stroozakken vullen'. In orig. envelope. (3) 'Verzamelen blazen'. In orig. envelope. (4) 'Veiligheid in de lucht'. In orig. envelope. (5) 'Controle langs den weg'. (6) 'De wacht aan de grens'. (7) 'Verboden toegang'. -and three doublettes (lacking one piece in doublette 'stroozakken vullen')

*During the mobilization period (1939-'40), the Department of Development and Recreation issued 24 puzzles. At the request of illustrator Jo Spier, Marten Toonder contributed illustrations for 12 of them. (total 10)