WTT S2 Coupons for S1 Coupons

[bgibso01]

I've got a ton of S2 Coupons, but ran out of S1 Coupons. I'd be glad to trade 3-S2 per 1-S1. Or if you just have extra S1 Coupons you want to get rid of, let me know. Bitmain ID same as here.

Thanks.