S0308.1680MAG.M  Rare magnum c1680 transitional form freeblown blackglass (dark olive green) conical kickup with blowpipe pontil, marvered lower sides rounded bucket body, rounded sloping shoulders into medium wide based tapring neck through wide doubletooled saturn stringrim below everted snapped off firesmoothed lip. Overall light matte and light dug patina with much original gloss. Excellent condition otherwise, particularly the saturn stringrim.   8 1/2"high, 7"diameter    £sold