Brunswick-Wolfenbüttel. Ernst August Proof "Wedding" 5 Mark 1915-A PR66 NGC, Berlin mint, KM1163, Dav-637, J-56. An elusive Proof 5 Mark exhibiting uniform light gray patination. The obverse conjoined busts comprise a significant percentage of the surface area and even still, nary a single mark can be seen on their velvety exterior. This representative is the only PR66 evaluated by NGC with none finer. HID09801242017 © 2023 Heritage Auctions | All Rights Reserved

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