Ernest Trova (American, 1927-2009). Mixed media artwork with envelopes and wood ruler titled “532 Tension Envelope” from the artist’s “Tension Envelope” series. Signed and titled along the verso. Provenance: Directly from artist; Distinguished corporate collection, Minnesota. Unframed; Height: 16 in x width: 14 in. Framed; Height: 17 in x width: 15 in.