https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-frc3/972301_598281883550242_315700042_n.jpg

https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-prn1/45760_598281876883576_1876135141_n.jpg

Mog-4154c. Wt = 13.79g. Diam = 20.2-21.5mm

Photo from Hamanth Chopra