Cattleya Bow Bells (C. Edithinae x C. Suzanne Hye) was originated and registered by British orchid company Black & Glory in 1945.
Looks like this particular clone Cattleya Bow Bells 'July' newer been awarded (however it listed as a division).
This cross has three species in the background: C. mossiae, C. gaskelliana, C. trianae.
History of this plant has been described in great article 'The Bow Bell Revolusion' by Arthur Chadwick in 2015.
There are 50 AOS awards for this cross, all awards dated from 1945 to 1965. Except last one - Cattleya Bow Bells 'White Sands' AM/AOS (86 pts) awarded in Sept 9, 2017 (Exhibitor - Shogun Hawaii - Matthias Seelis)
Also, you can find 2 AOC (Australia) awards from 1968.
The candidate plant has 3 flowers on 2 staked inflorescences up to 18 cm tall. Plant is 46 cm wide and 26 cm tall (including inflorescences and flowers). Plant in 16 cm plastic pot.
NS H - 15.1 cm; NS V - 14.9 cm;
Dorsal Sep. W - 2.5 cm; Dorsal Sep. L - 7.9 cm;
Petal W - 7.0 cm; Petals L - 7.6 cm;
Lat/Sepal W - 2.3 cm; Lat/Sepal L - 7.3 cm;
Lip/Pouch W - 5.5 cm; Lip/Pouch L - 8.7 cm.