diff --git a/data/json/items/melee/swords_and_blades.json b/data/json/items/melee/swords_and_blades.json
index 43221ec1c56f4..a00535d896abd 100644
--- a/data/json/items/melee/swords_and_blades.json
+++ b/data/json/items/melee/swords_and_blades.json
@@ -643,7 +643,7 @@
     "volume": "60 ml",
     "longest_side": "9 cm",
     "price": "30 USD",
-    "price_postapoc": "5 USD",
+    "price_postapoc": "2 USD",
     "to_hit": { "grip": "solid", "length": "hand", "surface": "point", "balance": "neutral" },
     "material": [ "steel", "plastic" ],
     "symbol": ";",
diff --git a/data/json/items/tool/knives.json b/data/json/items/tool/knives.json
index 7f268ae5bac10..6634d45eb4517 100644
--- a/data/json/items/tool/knives.json
+++ b/data/json/items/tool/knives.json
@@ -157,7 +157,7 @@
     "volume": "250 ml",
     "longest_side": "20 cm",
     "price": "40 USD",
-    "price_postapoc": "5 USD",
+    "price_postapoc": "2 USD",
     "to_hit": { "grip": "weapon", "length": "hand", "surface": "point", "balance": "neutral" },
     "material": [ "bronze", "leather" ],
     "symbol": "/",
@@ -178,7 +178,7 @@
     "weight": "226 g",
     "volume": "250 ml",
     "price": "140 USD",
-    "price_postapoc": "5 USD",
+    "price_postapoc": "3 USD",
     "to_hit": -1,
     "material": [ "steel", "plastic" ],
     "symbol": ";",
@@ -216,7 +216,7 @@
     "weight": "20 g",
     "volume": "10 ml",
     "price": "10 USD",
-    "price_postapoc": "1 USD",
+    "price_postapoc": "50 cent",
     "to_hit": -3,
     "material": [ "steel", "plastic" ],
     "symbol": ";",
@@ -254,7 +254,7 @@
     "volume": "20 ml",
     "longest_side": "12 cm",
     "price": "4 USD",
-    "price_postapoc": "1 USD",
+    "price_postapoc": "50 cent",
     "to_hit": -3,
     "material": [ "steel", "plastic" ],
     "symbol": ";",
@@ -275,6 +275,8 @@
     "weight": "500 g",
     "volume": "250 ml",
     "longest_side": "8 cm",
+    "price": "0 cent",
+    "price_postapoc": "0 cent",
     "to_hit": -3,
     "qualities": [ [ "CUT", 2 ], [ "BUTCHER", -18 ] ],
     "melee_damage": { "bash": 5, "cut": 3 }
diff --git a/data/json/items/tool/workshop.json b/data/json/items/tool/workshop.json
index aa5dbdf371a2d..12560ea226f19 100644
--- a/data/json/items/tool/workshop.json
+++ b/data/json/items/tool/workshop.json
@@ -760,7 +760,7 @@
     "volume": "70 ml",
     "longest_side": "12 cm",
     "price": "30 USD",
-    "price_postapoc": "5 USD",
+    "price_postapoc": "3 USD",
     "to_hit": { "grip": "solid", "length": "hand", "surface": "point", "balance": "neutral" },
     "material": [ "steel" ],
     "symbol": ";",