Born at the turn of the past century, Maria Felix is old enough to remember the Mexican Revolution but too old to get the bank card needed to collect her monthly 1,200 pesos ($63) welfare payment for the elderly.
Felix turns 117 in July, according to her birth certificate that local authorities recognize as authentic - which could put her in the ranks of the world's oldest living people.
But Felix went three months without state support for poor elderly Mexicans after she was turned away from a branch of Citibanamex in the city of Guadalajara for being too . . .