Often confused as actual lodge issues or chapter items, the Brooklyn Arrowhead is an alumni group and not a chapter of Shu Shu Gah Lodge #24. they describe themselves as:
Order of the Arrow Scouts and Scouters that attended Camp Brooklyn, TMR from 1928 thru the 1970’s. Annual Reunions at camp in September, annual Dinners in NYC in January, FL in February.
For the past several years, they have issued a patch for their September reunions. This years version appears below:

and the stats would be:
Arrowhead YeX2009 RED C WHT ORG WHT FDL; ORG 46th Annual Reunion September 12-13, 2009
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“The truth does not change according to our ability to stomach it.”
Flannery O’Connor
US author (1925 – 1964)