CDKeys has 12-Month PlayStation Plus Membership (Digital Supply) on sale for $39.99.
Observe: This solely works with US PSN accounts.
12-Month PlayStation Plus Membership voucher turns into:
New subscriber — Will convert into one year of PlayStation Plus Important
PlayStation Plus Important Subscription — Will convert into one year of PlayStation Plus Important
PlayStation Plus Additional subscription — Will convert into 219 days of PlayStation Plus Additional
PlayStation Plus Premium subscription — Will convert into 183 days of PlayStation Plus Premium
