Leighton,
Should probably be Hodgkins &
Haigh... 300 BROADWAY, NY. Importers and dealers in GUNS RIFLES & PISTOLS, GUN MATERIAL & SPORTING APPARATUS... Follow the Gunbroker link below, shows a bill head from 1883, around the same time your Parker was there... Hope this helps...
http://www.gunbroker.com/Auction/Vie...Item=202757603
Best, CSL
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