Announced in Protonmail blog: https://protonmail.com/blog/black-friday-2019/
Protonmail Plus Plan 1 year $39.99 (normally $60)
Protonmail Plus Plan 2 years $72.00 (normally $120)
Protonmail Plus Plan + ProtonVPN 2 years $180 (normally $360)
Link to deal:
https://protonmail.com/blackfrida…ta-1#plans