Two flowers on two upright inflorescences well held above foliage on a 15 growth plant 23cm wide x 20 cm tall in a 5cm square plastic pot; leaves lanceolate to 3.0cm x 19 cm; dorsal sepal ivory, veined golden yellow, margins and proximal medial vein light purple; lateral sepals fused, white overlaid light purple, veined golden yellow; caudae to 9.2 cm, golden yellow; petals ivory, yellow vein centrally; lip ivory, speckled purple; column ivory dotted purple; substance firm; texture crystalline; petals and lip too small to measure.
Masdevallia antonii , award 20151343, has been confirmed to be Masdevallia antonii  by SITF (May 2015).