Colorful Solar System Series features. 2 Our Sun w/Earth, Venus & Mercury showing their Dark Sides.3 Our Sun w/Mercury showing its Dark Side. Guitar Neck Dated "2009" & HRC Philadelphia Logo. Info was taken off the HRC Pin Catalog.. The item "2009 HARD ROCK CAFE PHILADELPHIA SOLAR SYSTEM (6) PIN SERIES 1-6" is in sale since Saturday, January 5, 2013. This item is in the category "Entertainment Memorabilia\Music Memorabilia\Rock & Pop\Artists H\Hard Rock Café\Pins". The seller is "hardrockstore_robert" and is located in Hamden, Connecticut. This item can be shipped worldwide.