A San Antonio man believes he's stumbled upon a set of masterpieces created by one of the most notable artists in history.
Celso Gutierrez said he purchased two paintings at the Mission Flea Market, which bear the name "Rembrandt" along with a date.
Rembrandt Harmenszoon van Rijn was a Dutch painter and printmaker -- and one of the most famous and important artists to emerge from Holland's "Golden Age" in the mid-17th Century.
"I've never seen paintings like that paintings," said Gutierrez. "I have over 500 paintings in my house, different paintings, but I've never seen that kind of paintings. I mean, they look old to me."
A lover and collector of art, Gutierrez says he purchased the paintings for $15 each.
"Regardless what they are, somebody made them," Gutierrez said. "I'm not a professional on Rembrandts. (They could have been made by a) a follower of Rembrandt. Could be anything -- but somebody made these paintings."
Finding out their origin and history has proven to be tricky, as Gutierrez has contacted several museums in an attempt to authenticate the art, but has so far been unsuccessful.
Regardless of what the outcome is, Gutierrez says he's got some nice art to add to his collection.
"Whether they are or aren't, they are beautiful, beautiful pieces,” Gutierrez said.
KSAT 12 called a couple of companies that authenticate art, and were told it’s an expensive and lengthy process to do so.