Have owned a 1949,50,51, and 52 set all coins were mixed UNC and PL. All sets were in little white boxes in cellophane holders and a copper staple. Thus very similiar to early 1950's US proof sets. The coin pictured is a high relief. To see a good example of the scarce PL only issue of 1951 Low Relief check out the one we just sold on
ebay Tradingnancy completed listings. The difference is hugely apparent!