Garter Collar is in Garter Knights.
In 1546 Unknown Painter. Italian. Portrait of Henry Howard (age 30) wearing his Garter Collar and Leg Garter. His right 
Thomas of Brotherton 1st Earl Norfolk 1300 1338 Arms, his left 
Thomas of Woodstock 1st Duke of Gloucester Arms.
In 1559 Hans Eworth (age 39). Portrait of Anthony Browne 1st Viscount Montague (age 30) wearing a Garter Collar and St George Pendant.
In 1573 Unknown Painter. Portrait of Henry Sidney (age 44) wearing his Garter Collar.
Around 1575 Unknown Painter. Portrait of Robert Dudley 1st Earl of Leicester (age 42) wearing his Garter Collar.
Around 1576 Unknown Painter. Portrait of William Paulet 1st Marquess Winchester wearing his Garter Collar and Lord Treasurer Staff of Office.
Around 1580 based on a work of 1565.Unknown Painter. Portrait of Robert Radclyffe 5th Earl of Sussex (age 6) wearing his Garter Collar and holding the Lord Treasurer Staff of Office.
In 1583 Unknown Painter. Portrait of Edward Clinton 1st Earl Lincoln (age 71) wearing his Garter Collar.
Around 1605 John Critz (age 54). Portrait of King James I of England and Ireland and VI of Scotland (age 38) with Garter Collar and Leg Garter.
Around 1615 Unknown Painter. Posthumous portrait of Philip Herbert 4th Earl Pembroke 1st Earl Montgomery (age 30) wearing his Garter Robes and Garter Collar.
In 1619 Daniel Mijtens (age 29). Portrait of William Knollys 1st Earl Banbury (age 75) wearing his Garter Collar and Leg Garter.
In 1621 Daniel Mijtens (age 31). Portrait of King James I of England and Ireland and VI of Scotland (age 54) wearing his Garter Collar and Leg Garter.
In 1630 Daniel Mijtens (age 40). Portrait of Thomas Howard 21st Earl Arundel 4th Earl Surrey 1st Earl Norfolk (age 44) and wearing his Garter Collar.NOTEXT
In 1634 Daniel Mijtens (age 44). Portrait of Philip Herbert 4th Earl Pembroke 1st Earl Montgomery (age 49) wearing his Leg Garter and Garter Collar.
Around 1634 Anthony Van Dyck (age 34). Portrait of James Stewart 4th Duke Lennox wearing his Leg Garter and Garter Collar.
Pepy's Diary. 09 Oct 1660. This morning Sir W. Batten (age 59) with Colonel Birch (age 45) to Deptford, to pay off two ships. Sir W. Pen (age 39) and I staid to do business, and afterwards together to White Hall, where I went to my Lord, and found him in bed not well, and saw in his chamber his picture1, very well done; and am with child2 till I get it copied out, which I hope to do when he is gone to sea.
Note 1. Peter Lely (age 42). Portrait of Edward Montagu 1st Earl Sandwich (age 35) in his Garter Robes and Garter Collar.
Note 2. A figurative expression for an eager longing desire, used by Udall and by Spenser. The latest authority given by Dr. Murray in the "New English Dictionary", is Bailey in 1725.
Around 1661 Peter Lely (age 42). Portrait of Charles Stewart 6th Duke Lennox in his Garter Robes and Garter Collar.
Around 1673 Peter Lely (age 54). Portrait of Charles II King Scotland in his Garter Robes and Garter Collar.
Around 1675 Peter Lely (age 56). Portrait of George Villiers 2nd Duke of Buckingham (age 46) wearing his Garter Collar.
Around 1678 Peter Lely (age 59). Portrait of Charles II King Scotland in his Garter Robes and Garter Collar and Leg Garter.
Around 1680 Willem Wissing (age 24). Portrait of King William III of England, Scotland and Ireland (age 29) wearing his Garter Collar.
Around 1686 Willem Wissing (age 30). Portrait of Lawrence Hyde 1st Earl Rochester (age 43) wearing his Garter Robes including the Garter Collar and holding his white Lord Treasurer Staff of Office.