1923 Danzig-Free City (Poland) 10 Pfennig Copper Nickel Coin-KM#143. 1. If your item is shipped via eBay Standard Envelope for Trading Cards, Stamps, Postcards & Coins($1.11), I do not have any control over the package as USPS tracking updates are not consistent. The item is handled by USPS as regular mail/letter post.