Barter bug?

get leggings cowhide You get some orcish leggings from a cowhide knapsack. <100%/100%hp 100%/100%m 99%/100%mv 5486tnl 7 AM civilized 34.69%> barter leggings for bottle An old gentleman tells you 'That trade is not worth my while.' <100%/100%hp 100%/100%m 99%/100%mv 5486tnl 7 AM civilized 34.69%> c 'identify' leggings You lost your concentration. <100%/100%hp 98%/100%m 99%/100%mv 5486tnl 7 AM civilized 34.69%> c 'identify' leggings ---------------------------------------- This object, some orcish leggings can be referred to as 'orcish leggings'. It is worth 750 copper, and is of the 6th level of power. It is made of leather and weighs 5 pounds 15 ounces. When worn, it protects you against piercing for 4, bashing for 4, slashing for 5 and magic for 0 points each. When worn, it affects your dexterity by 1 points. <100%/100%hp 96%/100%m 99%/100%mv 5486tnl 7 AM civilized 34.69%> list [Lv Price] Item (Type) [ 1 25] a cup of druidic herbal tea (drink container) [ 1 100] an emerald bottle of rose wine (drink container) [ 1 68] a glass of white wine (drink container) An old gentleman tells you 'Nothing but the finest for my customers!' <100%/100%hp 96%/100%m 99%/100%mv 5486tnl 7 AM civilized 34.69%> put leggings cowhide e You put some orcish leggings in a cowhide knapsack. The leggings are worth 750 copper yet I can't use them to barter for a 100 copper bottle of wine? Care to clarify if this is a bug or not? This is on one of the people in the Inn, by the way.