John Mark Galecki (born April 30, 1975) is an American actor. He played Leonard Hofstadter in the CBS sitcom The Big Bang Theory (2007–2019) for which he received a Primetime Emmy Award nomination, and David Healy in the ABC sitcoms Roseanne (1992–1997; 2018) and The Conners (2018–2019). Galecki also appeared in the films National Lampoon's Christmas Vacation (1989), Prancer (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017). More about Johnny Galecki
These are the most current items with a signature of Johnny Galecki that were listed on eBay and on other online stores - click here for more items.
In total, we tracked 87 items since 01/01/2008. The chart below shows the trade volume over time.
The most expensive item with a signature of Johnny Galecki (JIM PARSONS & JOHNNY GALECKI SIGNED AUTOGRAPH THE BIG BANG THEORY PILOT SCRIPT) was sold in November 2021 for $499.60 while the cheapest item (Autographed Johnny Galecki signed 8 x 10 photo Really Nice) found a new owner for $0.99 in March 2020. The month with the most items sold (4) was April 2022 with an average selling price of $66.00 for an autographed item of Johnny Galecki. Sold items reached their highest average selling price in November 2021 with $255.80 and the month that saw the lowest prices with $6.99 was January 2019. In average, an autographed item from Johnny Galecki is worth $54.99.
Most recently, these items with a signature of Johnny Galecki were sold on eBay - click here for more items.
Item Title | Price | Store | |
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![]() | JOHNNY GALECKI BIG BANG THEORY SIGNED 8X10 PHOTO AUTHENTIC AUTOGRAPH COA 7 | $85.00 | ![]() |
![]() | Jim Parsons Kaley Cuoco Johnny Galecki hand signed auto 8x10 photo w/Holo COA | $41.00 | ![]() |
![]() | Jim Parsons Kaley Cuoco Johnny Galecki hand signed auto 8x10 photo w/Holo COA | $24.95 | ![]() |
![]() | Jim Parsons Kaley Cuoco Johnny Galecki hand signed auto 8x10 photo w/Holo COA | $28.95 | ![]() |
![]() | Jim Parsons Kaley Cuoco Johnny Galecki hand signed auto 8x10 photo w/Holo COA | $43.95 | ![]() |
![]() | JOHNNY GALECKI Authentic Signed Leonard - BIG BANG THEORY 8x10 Photo (JSA COA) | $89.99 | ![]() |
![]() | JOHNNY GALECKI BIG BANG THEORY SIGNED 8X10 PHOTO AUTHENTIC AUTOGRAPH JSA COA | $30.00 | ![]() |
![]() | Johnny Galecki Signed 11x14 Photo BAS COA * The Big Bang Theory * | $49.99 | ![]() |
![]() | JOHNNY GALECKI SIGNED BIG BANG THEORY LEONARD 8X10 PHOTO B BECKETT BAS | $54.99 | ![]() |
![]() | Johnny Galecki THE BIG BANG THEORY AUTOGRAPHED COLOR 8X10 PHOTO W/ COA | $14.99 | ![]() |
The Big Bang Theory's Kaley Cuoco Recalls Chuck Lorre Catching Her Making Out Wi (12/31/22): Kaley Cuoco recalls a time when she was dating Johnny Galecki and things got hot and heavy on set.
The Big Bang Theory's Kunal Nayyar Reveals Sticky Way Johnny Galecki Left His Ma (02/01/22): Kunal Nayyar has revealed a behind the scenes fact about The Big Bang Theory.
Johnny Galecki Is Developing A New TV Show That's Wildly Different From The Big (12/10/21): The Big Bang Theory's Johnny Galecki is developing a new TV show that is way different from the CBS comedy.
Kaley Cuoco's Birthday Message From Big Bang Theory's Johnny Galecki Is Hilariou (12/02/21): Johnny Galecki sent his friend and former co-star Kaley Cuoco birthday wishes, but wasn't afraid to hog some of the spotlight.
The Big Bang Theory's Johnny Galecki Has A New TV Show In The Works That Sounds (11/03/21): The Big Bang Theory vet Johnny Galecki is putting his efforts behind a new TV project that's going into development.