I took the color version of this medallion (about a foot across) on a Beacon Hill house, and then experimented with various conversions to black and white. It's striking how different the effects are - and there are many more to try.
(click to enlarge) The original, in sandstone or colored concrete(?)
(click to enlarge) Converted in Adobe Photoshop Ligntroom 3 with Preset B&W Creative - Look 3 plus an 0.9 EV exposure boost and a bit of vignette
(click to enlarge) Converted in Nik Silver Efex Pro for Lightroom with Holga option
(click to enlarge) Converted in Nik Silver Efex Pro for Lightroom with Antique Plate I option
(click to enlarge) Converted in Nik Silver Efex Pro for Lightroom with Push Process N+1 option
