64GB Samsung PRO Class 10 SDXC for $36 (limit 5)

The 64GB Samsung PRO Class 10 SDXC (up to 90MB/sec read, up to 80MB/sec write) is currently on sale for $36 with free shipping at Amazon by Amazon itself with a limit of five per customer. The 32GB version goes for $20 and the 16GB for $12. They are all on the same product page. Limit five of each. They are not part of the lightning deals, so I don’t know when prices will change. The 64GB is model MB-SG64D/AM. For the other two, replace 64 with 32 and 16 and you get their model numbers.