Mexican Folk Ex Voto Retablo Tin Painting

Mexico,20th Century
Folk art depiction of two people beside a cliff watching a hot air balloon filled with passengers catch fire while an angel in a blue tunic hovers above.
Medium: Oil on tin
Size: Tin 7 3/4" x 6",Frame 12 1/2" x 10 1/2"
Signature: Faded writing beneath image.
Condition: Scratch and minor paint loss to right side by hot air balloon, scuffing to cliff, some discoloration, otherwise good condition.