It looks like a hybrid.

Can anyone tell from the shell what make this is.. I know the shell does not appear to be gretsch

Any idea what period that Gretsch throw off is from

http://www.ebay.com/itm/GRETSCH-SNARE-/321234805131?pt=US_Drums&hash=item4acb16218b#ht_311wt_890&autorefresh=true