Need I.D. on this one

[bricycle]

Can some one identify this for me? 26" solid wood wheels, block style skip tooth, distance between badge rivet holes 2 3/16" horizontally, black with red darts on head area only. Serial # 124377 also letter e and ? above SN.
Thanks, bri.

 

[redline1968]

tough block chain is a clue but nothing else to help.

 

[bricycle]

Additional pictures...

 

[bricycle]

Anyone? ? RMS37.... need helpppp!!!

 

[unknown52]

definetly an iver johnson with the chain tensioners and the bolt that connects the back tubes. too bad it wasnt motorized

 

[unknown52]

worth good money for collecters

 

[pelletman]

Iver Johnson wasn't the only maker with those features. Nameplate hole pattern would be pretty distinctive on IJ