Autographs of Howard Porter
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Current items with a signature of Howard Porter
These are the most current items with a signature of Howard Porter that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | JLA #13 Martian Manhunter Cover Art Signed by Howard Porter & John Dell | £15.58 |  |
Traded items with a signature of Howard Porter
The most expensive item with a signature of Howard Porter (Dc Universe Batman Signed Original Artwork By Howard Porter) was sold in May 2025 for £375.52 while the cheapest item (JLA 40 2000 Justice League of America signed Howard Porter Pittsburgh Comic Con) found a new owner for £7.49 in April 2026. The month with the most items sold (4) was June 2025 with an average selling price of £17.84 for an autographed item of Howard Porter. Sold items reached their highest average selling price in May 2025 with £204.11 and the month that saw the lowest prices with £12.53 was April 2026. In average, an autographed item from Howard Porter is worth £18.83.
Most recently, these items with a signature of Howard Porter were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 1997 JLA DC COMIC # 7 SIGNED BY HOWARD PORTER VF | £16.67 |  |
 | JLA #1 (1996) ~ Signed by Howard Porter ~ DC Comics Justice League GrantMorrison | £33.38 | |
 | JLA #1 Morrison (1997) Autographed By Howard Porter COA Key | £41.27 | |
| JLA #10 (1997) – Signed by Howard Porter, Dynamic Forces COA | £18.83 | |
| JLA #10 (1997) – Signed by Howard Porter, Dynamic Forces COA | £18.83 | |
| JLA #13 Martian Manhunter Cover Art Signed by Howard Porter & John Dell | £17.58 | |
| JLA #13 Martian Manhunter Cover Art Signed by Howard Porter & John Dell | £17.46 | |
| JLA #18 - DC Comics (1998) - HOWARD PORTER Signed - FN | £26.07 | |
 | JLA 40 2000 Justice League of America signed Howard Porter Pittsburgh Comic Con | £7.49 | |
| JLA Secret Files #1 DC Comics 1997 NM Signed By Howard Porter | £43.68 | |
 | JLA Secret Files and Origins 1997 Issue #1 Signed Howard Porter 650/1500 COA | £7.71 | |
| JLA:SECRET FILES #1. 1 OF ONLY 1500. SIGNED BY HOWARD PORTER. DF COA. | £24.18 | |
 | Justice League of America Howard Porter Signed Original Comic Book DC Comics | £34.74 | |
| Ray #1 • [9.0] • Signed by Howard Porter • Collector's Edition • DC • 1994 | £14.26 | |
 | The Trials of Shazam 1 (2006) DC Comics - Signed Howard Porter 34/100 w/ COA | £18.31 | |
