Autographs of Mark Harmon

Thomas Mark Harmon (born September 2, 1951) is an American actor and former football player. He is perhaps best known for playing the lead role of Leroy Jethro Gibbs on NCIS. He has appeared in a wide variety of television roles since the early 1970s, including Dr. Robert Caldwell on St. Elsewhere, Detective Dicky Cobb on Reasonable Doubts, and Dr. Jack McNeil on Chicago Hope. He also starred in such films as Summer School, Prince of Bel Air, Stealing Home, Wyatt Earp, Fear and Loathing in Las Vegas, Freaky Friday, and Chasing Liberty. More about Mark Harmon

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Current items with a signature of Mark Harmon

These are the most current items with a signature of Mark Harmon that were listed on eBay and on other online stores - click here for more items.

Picture	Item Title	Price	Store
	Mark Harmon - Foto Lucida Autografata 12x18cm Hand Signed Autograph NCIS	£34.37
	MARK HARMON as Leroy Gibbs in NCIS Hand signed Col 8x10 photo COA	£74.37
	MARK HARMON signed Autogramm 20x25cm NCIS in Person autograph COA	£146.51
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 3	£24.71
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 5	£23.90
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 6	£23.90
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 7	£23.55
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 8	£23.55

Harmon played Secret Service special agent Simon Donovan in a four-episode story arc in The West Wing in 2002, receiving an Emmy Award nomination for the role.

Harmon's character of NCIS special agent Leroy Jethro Gibbs was introduced in a guest starring role in two episodes of JAG. From 2003 to 2021, Harmon starred in the spinoff NCIS as the same character. Read even more about Mark Harmon at Wikipedia

Traded items with a signature of Mark Harmon

The most expensive item with a signature of Mark Harmon (NCIS Hand Signed BY Entire Cast Script THE MISSIONARY POSITION inc Mark Harmon) was sold in April 2016 for £100.00 while the cheapest item (Mark Harmon - NCIS Signed Autograph Photo FREE P&P) found a new owner for £0.01 in December 2012. The month with the most items sold (4) was December 2014 with an average selling price of £7.79 for an autographed item of Mark Harmon. Sold items reached their highest average selling price in January 2020 with £79.50 and the month that saw the lowest prices with £4.03 was September 2014. In average, an autographed item from Mark Harmon is worth £14.99.

Most recently, these items with a signature of Mark Harmon were sold on eBay - click here for more items.

Picture	Item Title	Price	Store
	Original Autogramm Autograph Handsigniert Mark Harmon 15,5x11,5cm	£4.27
	-FAMILY GUY- Mark Harmon Signed/Autograph/Auto Certified TV Cartoon Trading Card	£24.19
	GFA NCIS Star Leroy Gibbs MARK HARMON Signed 8x10 Photo M1 COA	£23.37
	GFA NCIS Star Leroy Gibbs MARK HARMON Signed 8x10 Photo M6 COA	£40.56
	Hand Signed 8x10 photo MARK HARMON as AGENT LEROY JETHRO GIBBS - NCIS + my COA	£69.50
	Mark Harmon original Autogramm autograph Schauspieler Hollywood NCIS	£10.33
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 2	£23.70
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 4	£23.42
	NCIS SPECIAL AGENT LEROY JETHRO GIBBS CUSTOM Card Signed by MARK HARMON 4	£23.65
	RARE MARK HARMON SIGNED PHOTO 10X8 NCIS PRESIDIO ST ELSEWHERE THE WEST WING	£10.00