Two recent crop pictures in England or Germany show the “Seal of Melchizedek” or the “Signet of Melchizedek”  

A new crop picture at Etchilhampton on August 4, 2015 resembles the “Seal of Melchizedek”, as two crossed squares or an eight-pointed star:  

There was a “7-around-1” set of standing tufts near the centre of Etchilhampton on August 4, and also two large “numbers” in the landscape just above, which look like “7” or “1”.  

Perhaps such numerical symbols may refer to a passage from Paul’s Epistle to the Hebrews, Chapter 7, verse 1, which reads:  

“Melchizedek was a king of Salem (peace), and a priest of God Most High” 

A somewhat older crop picture at Munchenerberg in Germany on July 16, 2015 likewise resembles the “Signet of Melchizedek”, as an eight-fold endless triangle: