GERMANY. Prussia. 5 Mark, 1888-A. Berlin Mint. Wilhelm II. PCGS PROOF-63 Gold Shield. Dav-788; KM-513; J-101. The first year of issue for the new German Kaiser, this vibrant crown presents a shimmering iridescence near the peripheries of the obverse, while it features more of a smoky tone enveloping the entirety of the reverse.