Coupon of the Argentine Alliance Solidarity Movement (Movimiento Argentino de Solidaridad con los Aliados, M.A.S.A.) with the nominal value of 10 peso

The M.A.S.A. movement (Movimiento Argentino de Solidaridad con los Aliados – The Argentinian Movement of Solidarity with Allies) was giving leaflets, booklets, coupons and stamps to raise money for the fighting Soviet Union.