Provadia-Solnitsata tell
Late Neolithic, 5400 – 5200 BC, Karanovo III-IV culture
NAIM-BAS 

The collective find of sickles was discovered during the excavations of a two-storey Late Neolithic dwelling in the prehistoric salt mining centre Provadia-Solnitsa. The dwelling, built in the traditional Neolithic wattle-and-daub construction, was destroyed by fire. It covered about 55-60 m², had two floors, and its walls were plastered with clay on both sides. The first floor had mainly farm functions. A mortar, grain storage, grinding stone, production kiln, a wooden platform on four clay pillars and a granary were recorded on the floor. A unique find of sickles was discovered at the bottom of the granary, built of clay on the site. On one of the specimens are preserved all seven flint flakes, and on the other, they are nine. The sickle handles are made of an arcuate branch of antler. The surface is well smoothened, and the working part is polished as a result of use. There is a carved groove on the inner side of the curve. In it were inserted flint flakes and blades, used for cutting, reinforced with vegetable resin. The preserved flint flakes are polished on both sides but much more on the upper side. That is a result of working with the right hand. Two of the sickles have an approximately round hole drilled at the back of the handle. It served for tying and carrying (on the waist?).

Bibliograpy:

В. Николов. Колективна находка от къснонеолитни сърпове от тел Провадия-Солницата. – В: Сборник в памет на проф. Велизар Велков. София. 2009.