Here are four pony style insulators as follows - actual postage additional:

CD 102 B.T.Co. of CANADA / Diamond // Diamond - tiny wg flake on back -- $4

CD 112.4 bar / diamond // bar / diamond -- VNM+ -- $25 (SOLD)

CD 102 strongly embossed on the crown W. BROOKFIELD / NEW YORK // D -- few pings, a couple touch the embossing - still very nice! $4

CD 107 WHITALL TATUM CO. NO 9 //MADE IN U.S.A. "WT in a triangle" - dirt inside skirt - $2

or take the set of three remaining for $6 plus postage