⭐ Merited by MoparMiningLLC (1)
I thought that all silver coins had vanity addresses starting with 1Ag. TIL, I guess 
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.Most are! Only a handful of 10s don't follow the vanity 1Ag standard.. most funded early in 2011. Does that make mine double extra special?
I would say YES..... you have a 1-of-21 coin (and 1-of-16 for being still loaded)
Some fun Cas 10 facts:
490x 10 btc Casascius
322x active
168x redeemed
96x loaded in 2011
290x loaded in 2012
103x loaded in 2013
1x loaded in 2014
21x non-"1Ag" first-bits
5x haved been redeemed