Add To Cart Compare Quick view Kingdom of Prussia Flag 3x5 ft Economical MSRP: Now: $19.95 Was: Flag sale. Part of 1 free when you put 3 in your cart. Historical flag. The Kingdom of Prussian Flag is white with the black Prussian Eagle. The royal crown sits upon the eagle's head. Prussia became a kingdom in 1701, when Frederick III proclaimed... MSRP: Now: $19.95 Was: Add To Cart Compare Quick view Qty in Cart: 0 Price: MSRP: Now: $19.95 Was: Subtotal: Add To Cart