Chapter 14 Verdigris and Venom in the Conservatory #2
Mrs. Gable rounded the corner of the hibiscus hedge like a storm front rolling over Mount Mitchell.
Her head was down, her breath coming in short, ragged wheezes. She was so consumed by blind fury that she nearly collided with my shoulder before realizing someone was standing in the aisle.
“Oh! Excuse me, Mrs. Gable,” I said, pitching my voice into the cheerful, slightly scatterbrained register of an estate liquidator who had heard nothing more scandalous than a weather report.
“Just checking the foliage before the preview crowd wanders out here. People love Victorian wicker, but if there’s a spider egg sac on the rail, they’ll want fifty dollars off. ”
Mrs. Gable stopped dead in her tracks.
Her pale eyes locked onto mine. For two agonizing seconds, I could see the gears turning behind her wrinkled brow—wondering how long I had been standing there, how much I had heard, whether I had witnessed her showdown with Eleanor’s niece.
“You shouldn't be back here, Mrs. Callahan,” she rasped, her tone flat and sour. “This room isn't for looking. It’s for plants.”
“Well, the executors asked us to tag the Bar Harbor settee,” I replied mildly, offering her a polite, practiced smile. “We’re keeping the public inside the main house until two o’clock, so you have plenty of time to finish up whatever you’re doing.”
Mrs. Gable didn't smile back. She clutched the front of her thick gray cardigan tightly against her chest, as if holding together the frayed remnants of her composure, and brushed past me toward the double glass doors leading to the stone terrace.
When she passed within inches of me, the pale sun broke through the clouds, striking her right sleeve.
My breath caught in my throat.
There, just above the ribbed cuff of her right forearm, was a distinct, crusty smudge roughly the size of a silver dollar.
To an untrained eye, it might have looked like a grease mark from a wood stove or old motor oil from a tractor. But I had spent decades handling, restoring, and appraising historic metalwork. I knew the chemistry of aged metal better than almost anyone in the county.
The stain wasn't oil.
It was a crusty, unmistakable smear of dried green-black brass verdigris—the exact copper-carbonate oxidation that blooms on neglected nineteenth-century brass when exposed to damp mountain air.
And embedded within that green-black powder was a sticky, dark residue: antique beeswax polish blended with lampblack, used exclusively to seal historic brass casting.
It was the identical brass verdigris and dark wax that coated the heavy, octagonal balance arm of the 1880s Fairbanks brass beam scale.
The murder weapon.
My eyes followed the sleeve as Mrs. Gable pushed the glass door open, her knuckles white with tension.
The antique scale in the carriage house had been hanging from a wooden ceiling joist for seventy years, coated in decades of damp brass corrosion and soot.
When the killer had yanked the five-pound brass beam down to strike Julian Croft across the back of the skull, they would have had to reach up, grip the greasy pivot arm, and wrench it free from its iron hook.
Whoever pulled that beam down would have scraped their forearm directly against the oxidized balance bar.
Sheriff Lawson had mentioned that very morning at the diner that the killer had left no bare fingerprints on the brass handle—they had used a rag or a sleeve.
A sleeve. A knitted gray wool sleeve.
The glass door rattled shut behind Mrs. Gable with a sharp metallic clatter, leaving me standing alone in the damp, mossy silence of the conservatory.
Through the glass, I watched the old housekeeper hurry down the pathway toward the gardener's cottage, shoulders hunched against the rising autumn wind.
Behind me, the sound of high heels clicking sharply on the slate signaled that Vanessa Vance was finally emerging from the orchid alcove.
I didn't turn around. I couldn't.
My gaze remained fixed on the receding figure of Martha Gable, while my fingers slowly tightened around the clipboard until the aluminum edge bit into my palm.
The missing ledger. The emptied wall safe. The hidden Moravian desk compartment.
And now, a smear of nineteenth-century verdigris on the sleeve of a woman who believed Blackwood Manor belonged to her bloodline by rights—and who had just confessed to hating Julian Croft enough to welcome his destruction.
Mrs. Martha Gable hadn't just been snooping around the carriage house on Tuesday morning.
She had handled the murder weapon with her own two hands.
“Mrs. Callahan?” Vanessa’s voice cut through the humid air behind me, cool, haughty, and demanding. “Are you listening to me? I need to know when you plan to open bidding on the silver.”
I drew in a long, slow breath of damp jasmine and potting soil, pasted on my most professional estate liquidator smile, and turned to face the heiress.
“In just twenty minutes, Miss Vance,” I said evenly, every sense now dialed to absolute, electric alert. “Just as soon as I consult with the sheriff.”