Mine look Just like the Rio Nanay ones!There are several types of wild scalare from different locations. The Rio Nanay in Peru, The Santa Isabel from the Rio Negro in Brazil and the Rio Manacapuru in Brazil.
I have some nice Rio Nanay Peruvian scalare (pictured below) with a very pronounced nasil notch and I high dorsal fin with ling pectoral fins very reminisant of P. Altum.