PNV J18553862+1457343: new WZ Sge-type dwarf nova Early superhumps: P=0.06080(4) d, amplitude 0.04 mag. Ordinary superhumps (stage A?): P=0.06282(10) d, 0.07 mag. Corresponding q=0.088 Likely period bouncer with multiple rebeightenings. Observers: Itoh-san, Stephen Brincat, Josch Hambsch, Tamas Tordai