Introduce your coin.

Compare your design with the current 50-cent or half-dollar coin.

Describe your coin and include the principle reasons for choosing the materials(s). Discuss your coin's use and if it will work in vending machines.

Material Design:

5-8 sentences

Provide details on the source of the raw materials needed to produce your coin.

(Melting point, reactivity, durability, etc.) Discuss the materials mining and processing.

Be sure to clearly state the chemical process used

(Hydrometallurgy, pyrometallurgy, slip casting, resin casting etc.)

Estimate the long term availability of the resources. Discuss methods used to discourage counterfeiting.

Life Cycle of the Coin:

6-9 sentences or a life-cycle diagram

Analyze the life cycle of your coin.

Include: How long is the coin expected to last in general use?

Will the coin materials be recycled or reused? How will the materials be disposed of?

Cost Analysis:

7-9 sentences or 3-S sentences with a table of costs

List all costs for your coin

Include: mining, materials, production, processing, disposal, workers and equipment Will the total cost be less than the value of the coin itself?

Are overall production costs reasonable based on the expected lifetime of the coin? Justify your costs.

Summary and Conclusion:

Tell why your coin is superior.

List specific reasons why your coin is better than the current half-dollar. Be specific and wrap up your proposal.

3-D Model: Model does not have to be made of the specified material but should resemble it. The design on the model should match the proposed design.