Drop (not confirmed)

item	chance	amount
Adena	70.00%	53–123
Corroded Leather	1.18%	1
Corroded Durable Leather	0.30%	1
Recipe: Durable Leather - Downgrade	1/111 111	1

Spoil (not confirmed)

item	chance	amount
Corroded Leather	1.89%	1
Corroded Durable Leather	0.30%	1