Originally Posted by
Johnny Peppers
Yes. The "private view mark", and view mark are two different markings. The view mark was used on both the 1904-1925 and the 1925-1955 proofs. The 1925 - 1955 London Proof House used crown over a circled V, and Birmingham used a crown over a circled BV. The 1955 proof marks were simplified somewhat, but added the caliber and proofing pressure. The 1955 proof law reduced the barrel markings from proof mark, view mark, and nitro proof to the nitro proof and caliber/proofing pressure marking.